Weather Source  

Extreme Weather Events from August 15, 2010 through August 31, 2010.
by Michael Leiba

Above Normal Temperatures

On August 22, cities and stations as far north as North Dakota reported temperatures at or above 100 degrees*. Attached below is a Public Information Statement from the Weather Forecasting Office in Bismark, North Dakota which list these temperatures.

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PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
312 PM CDT MON AUG 23 2010 /212 PM MDT MON AUG 23 2010/

...CENTURY MARK TEMPERATURES ON SUNDAY AUGUST 22...

LOCATION.............TEMPERATURE (F).....OBSERVATION TYPE

BEULAH 2 NW............106................. COOP
LINTON 5 NW............105................. COOP
BISMARCK...............104................. ASOS
SELFRIDGE 8 N..........103................. RAWS
BOWMAN.................103................. RWIS
UNDERWOOD..............103................. COOP
LINTON 5 N.............103................. NDAWN
WISHEK 5 W.............102................. NDAWN
HEART BUTTE DAM........102................. COOP
STANTON................102................. RAWS
HARVEY 2 SW........... 101................. NDAWN
TAPPEN 3 NE........... 101................. NDAWN
MANDAN 2 S............ 101................. NDAWN
TURTLE LAKE 4 N........101................. NDAWN
HAZEN 2 W..............100................. NDAWN
DENHOFF................100................. RWIS
HETTINGER..............100................. ASOS
WISHEK.................100................. COOP
MOT....................100................. NDAWN
HETTINGER..............100................. NDWAN

NDAWN..NORTH DAKOTA AGRICULTURAL NETWORK
ASOS...FAA AUTOMATED SUFACE OBSERVING SYSTEM LOCATED AT AIRPORTS
COOP...NATIONAL WEATHER SERVICE COOPERATIVE WEATHER OBSERVERS
RWIS...ND DOT ROAD WEATHER SENSORS
RAWS...BUREAU OF LAND MANAGEMENT FIRE WEATHER STATIONS

AYD
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The end of August also saw the end of the Climatological Summer (June 1 through August 31), and many cities and stations reported record or near record summer temperatures. In fact, the 2010 Summer season will go down as the nation's fourth warmest summer on record. Attached below is a Public Information Statement from the Weather Forecasting Office in Miami, Florida describing the record and near record heat for the summer in the South Florida area. Also included are the rainfall totals for the South Florida area for the month of August.

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1150 AM EDT WED SEP 1 2010

...HOTTEST SUMMER ON RECORD FOR SOUTHEAST FLORIDA...
...SECOND HOTTEST SUMMER ON RECORD IN NAPLES...

AUGUST WAS YET ANOTHER MONTH OF ABOVE NORMAL TEMPERATURES ACROSS SOUTH FLORIDA, FINISHING AMONG THE TOP 10 WARMEST AUGUST PERIODS ON RECORD (SEE TABLE BELOW FOR DETAILS).

THE CONTINUED HOT TEMPERATURES IN AUGUST CULMINATED WHAT IS THE HOTTEST SUMMER ON RECORD FOR ALL 4 PRIMARY SOUTH FLORIDA CLIMATE LOCATIONS. THE SUMMER PERIOD IS DEFINED AS THE MONTHS OF JUNE, JULY AND AUGUST.

FOLLOWING ARE THE AVERAGE SUMMER 2010 TEMPERATURES AND DEPARTURE FROM NORMAL FOR THE 4 SITES:

- MIAMI INTERNATIONAL AIRPORT HAD AN AVERAGE SUMMER 2010 TEMPERATURE OF 85.17 DEGREES FAHRENHEIT. THIS IS 2.0 DEGREES ABOVE NORMAL, AND SETS THE RECORD FOR THE ALL-TIME HOTTEST JUNE-AUGUST PERIOD ON RECORD FOR THE MIAMI AREA. THE PREVIOUS HOTTEST SUMMER ON RECORD WAS 84.98 DEGREES SET BACK IN 1998. DAILY MAXIMUM TEMPERATURES REACHED OR EXCEEDED 90 DEGREES ON 80 DAYS, SECOND MOST FOR ANY SUMMER PERIOD
(RECORD IS 86 DAYS IN 1998). THE MINIMUM TEMPERATURE DID NOT DROP BELOW 80 ON 40 DAYS THIS SUMMER, BREAKING THE PREVIOUS RECORD OF 33 DAYS SET IN 1998. TEMPERATURE RECORDS IN MIAMI GO BACK TO 1895.

- PALM BEACH INTERNATIONAL AIRPORT HAD AN AVERAGE SUMMER 2010 TEMPERATURE OF 84.6 DEGREES FAHRENHEIT. THIS IS 2.4 DEGREES ABOVE NORMAL, AND SETS THE RECORD FOR THE ALL-TIME HOTTEST JUNE-AUGUST PERIOD ON RECORD FOR THE WEST PALM BEACH AREA. THE PREVIOUS HOTTEST SUMMER ON RECORD WAS 84.2 DEGREES SET BACK IN 1998. DAILY MAXIMUM TEMPERATURES REACHED OR EXCEEDED 90 DEGREES ON 79 DAYS, TIED FOR THE THIRD MOST NUMBER OF DAYS FOR ANY SUMMER PERIOD (RECORD 83 DAYS SET IN 1951). THE MINIMUM TEMPERATURE DID NOT DROP BELOW 80 ON 25 DAYS THIS SUMMER, EASILY BREAKING THE PREVIOUS RECORD OF 14 DAYS SET IN 2003 AND 2005. TEMPERATURE RECORDS IN WEST PALM BEACH GO BACK TO 1888.

- FORT LAUDERDALE/HOLLYWOOD INTERNATIONAL AIRPORT HAD AN AVERAGE SUMMER 2010 TEMPERATURE OF 84.6 DEGREES FAHRENHEIT. THIS IS 2.4 DEGREES ABOVE NORMAL, AND SETS THE RECORD FOR THE ALL-TIME HOTTEST
JUNE-AUGUST PERIOD ON RECORD FOR THE FORT LAUDERDALE AREA. THE PREVIOUS HOTTEST SUMMER ON RECORD WAS 84.57 DEGREES SET BACK IN 1998. DAILY MAXIMUM TEMPERATURES REACHED OR EXCEEDED 90 DEGREES ON
67 DAYS, WELL SHORT OF THE RECORD OF 84 DAYS SET BACK IN 1924. THE MINIMUM TEMPERATURE DID NOT DROP BELOW 80 ON 38 DAYS THIS SUMMER, EASILY BREAKING THE PREVIOUS RECORD OF 32 DAYS SET IN. TEMPERATURE RECORDS IN FORT LAUDERDALE GO BACK TO 1912.

- NAPLES MUNICIPAL AIRPORT HAD AN AVERAGE SUMMER 2010 TEMPERATURE OF 84.3 DEGREES FAHRENHEIT. THIS IS 2.6 DEGREES ABOVE NORMAL, AND IS THE SECOND HOTTEST JUNE-AUGUST PERIOD ON RECORD FOR THE NAPLES AREA,
FALLING JUST SHORT OF THE RECORD HOTTEST SUMMER OF 84.5 DEGREES SET BACK IN 1944. DAILY MAXIMUM TEMPERATURES REACHED OR EXCEEDED 90 DEGREES ON 82 DAYS, SHORT OF THE RECORD OF 90 DAYS SET BACK IN 1944.
THE MINIMUM TEMPERATURE DID NOT DROP BELOW 80 ON 8 DAYS THIS SUMMER, JUST SHORT OF THE RECORD OF 10 DAYS SET BACK IN 2007. TEMPERATURE RECORDS IN NAPLES GO BACK TO 1942.

THE MAIN CULPRIT FOR THE RECORD-BREAKING HEAT THIS SUMMER HAS BEEN A VERY PERSISTENT HIGH PRESSURE AREA IN THE MIDDLE AND UPPER LEVELS OF THE ATMOSPHERE OVER MOST OF THE EASTERN HALF OF THE UNITED STATES.
HIGH PRESSURE ALOFT TENDS TO LIMIT THE OVERALL AMOUNT OF CLOUD COVER AND ALLOWS FOR GREATER HEATING DURING THE DAY, AS WELL AS KEEP TEMPERATURES WARM AT NIGHT DUE TO LIGHT EAST WINDS FROM THE WARMER
THAN NORMAL OCEAN WATERS OFF THE FLORIDA COASTLINE.

HIGHEST DAILY MAXIMUM TEMPERATURE READINGS THIS SUMMER FOR THE MAIN REPORTING STATIONS WERE AS FOLLOWS

- MIAMI: 96 ON AUGUST 15 AND 21.
- FORT LAUDERDALE: 95 ON JULY 10.
- WEST PALM BEACH: 96 ON JULY 12 AND 30.
- NAPLES: 97 ON JUNE 12.

OVER INTERIOR SECTIONS, TEMPERATURES REACHED AND EXCEEDED THE 100 DEGREE MARK DURING SEVERAL PERIODS THIS SUMMER: JUNE 14 AND 16, JULY 8 THROUGH 10, JULY 28 THROUGH 31 AND AUGUST 14 THROUGH 20. THE HIGHEST UNOFFICIAL TEMPERATURE READING WAS 102 DEGREES AT BRIGHTON RESERVATION IN NORTHERN GLADES COUNTY ON JULY 31.

IN A YEAR OF TEMPERATURE EXTREMES FROM ONE OF THE COLDEST WINTERS IN RECENT MEMORY TO THE HOTTEST SUMMER ON RECORD, IT IS INTERESTING TO NOTE THAT THE AVERAGE TEMPERATURE FOR THE YEAR ACROSS SOUTH FLORIDA IS STILL RUNNING A FEW DEGREES BELOW THE JANUARY-AUGUST NORMAL.

RAINFALL/SEVERE WEATHER

MOST OF SOUTH FLORIDA RECEIVED ABOVE NORMAL RAINFALL IN AUGUST. AREAS OF NORTHERN PALM BEACH COUNTY AND INLAND SECTIONS OF COLLIER COUNTY RECEIVED AS MUCH AS 15 INCHES OF RAIN IN AUGUST, WITH A LARGE AREA OF GREATER THAN 10 INCHES COVERING MOST OF THE EVERGLADES AND PARTS OF THE METRO AREAS ALONG BOTH COASTS. THE ONLY AREA WHICH RECEIVED BELOW NORMAL AUGUST RAINFALL WAS EXTREME SOUTHERN MIAMI-DADE COUNTY, WHERE TOTALS RANGED ANYWHERE FROM 4 TO 8 INCHES.

A FEW FLOODING EVENTS OCCURRED IN AUGUST, MAINLY IN PALM BEACH COUNTY, BUT FORTUNATELY NO SIGNIFICANT IMPACTS TO PROPERTY WERE NOTED.

THE ONLY SIGNIFICANT SEVERE WEATHER OF NOTE IN AUGUST WAS A TORNADO WHICH MOVED THROUGH A 2-MILE AREA OF WEST BOCA RATON AROUND 6 PM ON AUGUST 7TH, WITH DAMAGE MOSTLY TO TREES, FENCES AND POWER LINES AND VERY MINOR STRUCTURAL DAMAGE.

BELOW ARE AUGUST 2010 AVERAGE TEMPERATURES AND DEPARTURE FROM NORMAL FOR THE FOUR MAIN CLIMATE SITES:

LOCATION AUG 2010 DEPARTURE/RANK

MIAMI INT`L 85.1 +1.5 (4TH WARMEST)
FORT LAUDERDALE INT`L 84.4 +1.5 (6TH WARMEST)
PALM BEACH INT`L 84.4 +1.6 (5TH WARMEST)
NAPLES REGIONAL 84.1 +1.8 (7TH WARMEST)

BELOW ARE AUGUST RAINFALL TOTALS AND DEPARTURE FROM NORMAL IN INCHES
FOR SELECT SOUTH FLORIDA LOCATIONS:

LOCATION AUG 2010 DEPARTURE/RANK

MIAMI INT`L 8.75 +0.12
FORT LAUDERDALE INT`L 11.55 +4.67 (9TH WETTEST)
PALM BEACH INT`L 6.97 +0.32
NAPLES REGIONAL 7.13 -0.92
MIAMI BEACH 7.77 +2.33 (13TH WETTEST)
MOORE HAVEN 9.37 +2.57 (20TH WETTEST)
GOLDEN GATE 14.97
NWS MIAMI (FIU MAIN) 13.23
PALM BEACH GARDENS 13.10
JUNO BEACH 12.09
THE REDLAND (MIAMI-DADE) 11.68 +2.96 (9TH WETTEST)
HOMESTEAD GENERAL 10.89
HOLLYWOOD 10.71 +4.69
MARCO ISLAND 10.12
NORTH MIAMI BEACH 9.92
BRIGHTON RES. (GLADES CO) 9.84
COOPER CITY 9.72
BIG CYPRESS RESERVATION 9.37
FORT LAUDERDALE BEACH 8.08
CAPE FLORIDA 7.44
LABELLE 7.42 -0.36
ORTONA 6.40
CANAL POINT (PALM BEACH) 5.87
SOUTH BAY 15 MILES SOUTH 4.32

OUTLOOK FOR SEPTEMBER

THE CLIMATE PREDICTION CENTER`S OUTLOOK FOR SEPTEMBER CALLS FOR EQUAL CHANCES OF NEAR, WARMER OR COOLER THAN NORMAL TEMPERATURES ACROSS SOUTH FLORIDA. CPC`S PRECIPITATION OUTLOOK FOR SEPTEMBER
CALLS FOR ABOUT A 60 PERCENT CHANCE OF ABOVE NORMAL RAINFALL.

LA NINA CONDITIONS DEVELOPED IN JULY AND ARE EXPECTED TO CONTINUE THROUGH THE REMAINDER OF THE YEAR AND INTO THE WINTER OF 2011. MORE INFORMATION ON LA NINA`S POTENTIAL IMPACTS ON SOUTH FLORIDA`S WEATHER THIS UPCOMING DRY SEASON WILL BE PROVIDED IN THE COMING
WEEKS.

SEPTEMBER MARKS THE PEAK OF HURRICANE SEASON IN THE ATLANTIC BASIN, AND SOUTH FLORIDA IS CERTAINLY NO STRANGER TO HURRICANES DURING THE MONTH. SEPTEMBER RANKS SECOND ONLY BEHIND OCTOBER AS FAR
AS NUMBER OF HURRICANE STRIKES PER MONTH IS CONCERNED, AND ALL PERSONS ARE ADVISED TO MAKE SURE THAT THEIR HURRICANE KITS AND PLANS ARE PREPARED AND READY TO BE USED IN CASE A STORM THREATENS OR IMPACTS OUR REGION. PLEASE VISIT READY.GOV FOR A FULL LIST OF HURRICANE PREPAREDNESS MATERIALS.

FOR THE LATEST WEATHER CONDITIONS, FORECASTS, WARNINGS, ADVISORIES AND STATEMENTS, PLEASE VISIT THE NATIONAL WEATHER SERVICE MIAMI-SOUTH FLORIDA FORECAST OFFICE`S WEB SITE AT WEATHER.GOV/SOUTHFLORIDA.

$$

MOLLEDA

The next attachment below is a Public Information Statement describing the summer's record breaking heat from the Weather Forecasting Office in the Greenville-Spartanburg, South Carolina area.

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
958 AM EDT WED SEP 01 2010

...WARMEST SUMMER EVER FOR ASHEVILLE AND GREENVILLE-SPARTANBURG...

THIS WAS THE WARMEST SUMMER EVER RECORDED AT ASHEVILLE...WITH AN AVERAGE TEMPERATURE OF 75.4 DEGREES. THE PREVIOUS RECORD WAS 75.1 DEGREES IN 1952. FOR THE MONTHS OF JUNE...JULY AND AUGUST...THERE HAVE BEEN 19 DAYS AT ASHEVILLE WITH HIGHS OF 90 DEGREES OR HIGHER. THE HOTTEST DAY WAS 94 DEGREES ON JULY 8.

THIS WAS THE SECOND WARMEST SUMMER EVER RECORDED AT CHARLOTTE..WITH AN AVERAGE TEMPERATURE OF 81.1 DEGREES. THE RECORD WARMEST SUMMER IS 81.5 DEGREES IN 1993. FOR THE MONTHS OF JUNE...JULY AND AUGUST...THERE HAVE BEEN 67 DAYS AT CHARLOTTE WITH HIGHS OF 90 DEGREES OR HIGHER. THE HOTTEST DAYS WERE JULY 8 AND 25 WITH 101 DEGREES.

THIS WAS THE WARMEST SUMMER EVER RECORDED AT GREENVILLE-SPARTANBURG... WITH AN AVERAGE TEMPERATURE OF 81.0 DEGREES. THE PREVIOUS RECORD WAS 80.2 DEGREES IN 1952. FOR THE MONTHS OF JUNE...JULY AND AUGUST...THERE HAVE BEEN 58 DAYS AT GREENVILLE-SPARTANBURG WITH HIGHS OF 90 DEGREES OR HIGHER. THE
HOTTEST DAYS WERE JULY 8 AND 24 WITH A HIGH OF 100 DEGREES.

TOMKO/OUTLAW

Rapid Temperature Changing Events

On August 24, some of the hottest temperatures of both the summer and the year affected almost all of deep South Texas with most of the area warming above the 100 degree mark. Some of those temperatures included.

Falcon Lake 108 degrees
Zapata 106 degrees
Falcon Dam 105 degrees
Armstrong 104 degrees
Rio Grande City 104 degrees
Edinburg 104 degrees
Santa Ana NWR 104 degrees
Falfurrias 103 degrees
La Joya 103 degrees
McCook 103 degrees
San Manuel 102 degrees
Santa Rosa 102 degrees
Harlingen 102 degrees
Hebbronville 102 degrees
McAllen 102 degrees
Weslaco 101 degrees
Raymondville 101 degrees
Sarita 100 degrees
Bayview 99 degrees
Brownsville 98 degrees

These temperatures were also in response to a very early seasonal cold front moving south across the nation's heartland. The very next morning (August 25), record low temperatures were set just several hundred miles to the north! Some of those temperatures included.

Ft. Supply, Oklahoma 41 degrees (This temperature also tied the coldest temperature ever recorded in Oklahoma on August 25) Amarillo, Texas 49 degrees *** Gage, Oklahoma 49 degrees Ponca City, Oklahoma 52 degrees

Rainfall

Attached below is a Public Information Statement from the Weather Forecasting Office in Green Bay, Wisconsin describing the record rainfall which occurred in the northeastern sections of Wisconsin.

PUBLIC INFORMATION STATEMENT...CORRECTED TYPOS
NATIONAL WEATHER SERVICE GREEN BAY WI
821 PM CDT SUN AUG 29 2010

...WETTEST SUMMER ON RECORD FOR SEVERAL LOCATIONS ACROSS NORTHEAST WISCONSIN...

SEVERAL CITIES ACROSS NORTHEAST WISCONSIN HAVE SET THE WETTEST SUMMER ON RECORD. MANY OTHER LOCATIONS ACROSS NORTH CENTRAL AND NORTHEAST WISCONSIN ARE CURRENTLY RANKED IN THE TOP FIVE WETTEST SUMMERS ON RECORD. THE METEOROLOGICAL SUMMER PERIOD IS FROM JUNE 1ST TO AUGUST 31ST.

MORE RAIN IS IN THE FORECAST ON TUESDAY...THEREFORE THE SUMMER PRECIPITATION TOTALS ARE LIKELY TO GO HIGHER.

----------------------------------------------------------------
NEW SUMMER OLD SUMMER
PRECIPITATION PRECIPITATION
LOCATION RECORD (INCHES) RECORD (INCHES) YEAR
----------------------------------------------------------------

NEW LONDON 23.65 20.41 1922
APPLETON 23.42 19.19 1961
GREEN BAY 20.61 18.89 1914
MARSHFIELD COOP SITE 22.15 20.30 1935
OSHKOSH COOP SITE 21.41 20.80 1940
CHILTON 18.45 18.40 1986
LAONA 18.31 17.76 1999
KEWAUNEE 16.86 16.64 1990

MANY OTHER LOCATIONS ACROSS NORTHEAST WISCONSIN ARE ALSO EXPERIENCING ONE OF THE TOP FIVE WETTEST SUMMERS ON RECORD.

** DENOTES SOME MISSING PRECIPITATION DURING THE SUMMER MONTHS. TOTALS AT THESE SITES COULD GO HIGHER ONCE THE FINAL OBSERVATION FORM ARRIVES AT THE OFFICE IN EARLY SEPTEMBER.

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2010 2010 RECORD
WETTEST PRECIP SUMMER
SUMMER TOTAL PRECIP
LOCATION RANK (INCHES) (INCHES) YEAR
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MINOCQUA 2ND 22.07 23.46 1978
CLINTONVILLE 3RD 18.99 22.42 1993
STEVENS POINT 3RD 18.59 20.99 1914
WISCONSIN RAPIDS 3RD 18.55 20.99 1924
WAUPACA 5TH 18.54 28.03 1939

BRILLION 2ND 18.29 18.41 1993
ST. GERMAIN 3RD 17.41 ** 17.89 1978
SHAWANO 3RD 16.85 ** 18.68 1940
MANITOWOC 4TH 16.43 18.45 1924
PHELPS 8TH 16.39 ** 22.97 1966

RHINELANDER 16TH 15.65 21.33 1914
STURGEON BAY 5TH 14.90 ** 16.34 1985
OCONTO 6TH 14.73 ** 19.56 1912
FLORENCE 2ND 14.39 ** 18.67 1999
PESHTIGO 5TH 13.08 ** 14.96 1996

$$
ECKBERG

Severe Weather (Damaging Winds)

Attached below is a Public Information Statement from the Weather Forecasting Office In North Platte, Nebraska describing a severe weather event that occurred on August 16.


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PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
829 PM CDT MON AUG 16 2010

...SEVERE CONVECTIVE WINDS HAMMER HOLT COUNTY MONDAY AFTERNOON...


A CLUSTER OF STRONG TO SEVERE THUNDERSTORMS CAUSED STRAIGHT
LINE WIND DAMAGE OVER PARTS OF HOLT COUNTY ON MONDAY AFTERNOON. POWER LINES WERE BLOWN DOWN 2 TO 3 MILES NORTH OF STUART AND A METAL POLE BUILDING WAS MOVED OFF THE FOUNDATION. WIND DAMAGE WAS REPORTED NEAR ATKINSON...STUART...ONEILL...EWING AND EMMET.

BELOW ARE THE PRELIMINARY LOCAL STORM REPORTS RECEIVED BY THE NATIONAL WEATHER SERVICE OFFICE IN NORTH PLATTE:

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PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NORTH PLATTE NE
829 PM CDT MON AUG 16 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE......REMARKS..

0145 PM TSTM WND GST 7 NNW STUART 42.69N 99.19W
08/16/2010 E70.00 MPH HOLT NE FIRE DEPT/RESCUE

FIRE DEPARTMENT SPOTTER ESTIMATED 60 TO 70 MPH THUNDERSTORM ASSOCIATED WIND GUSTS...ALONG WITH GREATLY REDUCED VISIBILITY.


0208 PM TSTM WND GST 3 N ATKINSON 42.58N 98.98W


08/16/2010 E80.00 MPH HOLT NE LAW ENFORCEMENT

0208 PM TSTM WND DMG 2 N STUART 42.63N 99.14W

08/16/2010 HOLT NE FIRE DEPT/RESCUE

POWER LINES BLOWN DOWN 2 TO 3 MILES NORTH OF STUART AND A METAL POLE BUILDING BLOWN OFF FOUNDATION ACCORDING TO EMERGENCY MANAGEMENT PERSONNEL.


0229 PM TSTM WND GST ONEILL 42.46N 98.65W
08/16/2010 E75.00 MPH HOLT NE LAW ENFORCEMENT

LAW ENFORCEMENT PERSONNEL ESTIMATING 70 T0 75 MILE AN HOUR THUNDERSTORM WIND GUSTS IN ONEILL.

0229 PM HAIL 3 E EMMET 42.48N 98.75W
08/16/2010 M0.88 INCH HOLT NE LAW ENFORCEMENT

NICKEL SIZED HAIL ALONG WITH ESTIMATED 70 TO 80 MPH WIND GUSTS REPORTED BETWEEN EMMET AND ONEILL...ABOUT 3 MILES EAST OF EMMET.

0230 PM TSTM WND GST 2 W O'NEILL 42.46N 98.69W
08/16/2010 M68.00 MPH HOLT NE AWOS

0300 PM TSTM WND GST EWING 42.26N 98.34W
08/16/2010 E50.00 MPH HOLT NE FIRE DEPT/RESCUE

EWING FIRE CHIEF ESTIMATED 40 TO 50 MPH WIND GUSTS ALONG WITH HEAVY RAIN.

0303 PM TSTM WND GST EWING 42.26N 98.34W
08/16/2010 E80.00 MPH HOLT NE FIRE DEPT/RESCUE

FIRE CHIEF NOW ESTIMATING 70 TO 80 MPH WIND GUSTS ASSOCIATED WITH THUNDERSTORMS IN EWING...ALONG WITH PEA
SIZED HAIL.

0515 PM TSTM WND GST 10 S ARNOLD 41.28N 100.19W
08/16/2010 E70.00 MPH CUSTER NE PUBLIC

ESTIMATED 60 TO 70 MPH WIND GUSTS. SOME TREE BRANCHES DOWNED BUT SIZE UNKNOWN DUE TO HEAVY RAIN AND LIMITED VISIBILITY.

0615 PM HAIL 8 N GRANT 40.96N 101.73W
08/16/2010 M0.25 INCH PERKINS NE PUBLIC

PEA SIZED HAIL OCCURRED ALONG WITH AN ESTIMATED 45 TO 50 MPH WINDS.

0620 PM HAIL 8 N GRANT 40.96N 101.73W
08/16/2010 M0.25 INCH PERKINS NE PUBLIC

PEA SIZED HAIL OCCURRED ALONG WITH AN ESTIMATED 45 TO 50 MPH WINDS AND HEAVY RAIN.

0700 PM HEAVY RAIN 8 WSW CALLAWAY 41.25N 100.06W

08/16/2010 M1.03 INCH CUSTER NE CO-OP OBSERVER

STORM TOTAL RAINFALL THROUGH 700 PM CDT HAD BEEN 1.03 INCHES AS REPORTED BY AN NWS COOPERATIVE WEATHER OBSERVER.

0700 PM HEAVY RAIN BROKEN BOW 41.41N 99.64W

08/16/2010 M0.95 INCH CUSTER NE ASOS


STORM TOTAL RAINFALL THROUGH 700 PM CDT WAS 0.95 INCHES
AT THE BROKEN BOW AIRPORT.

On August 20, strong and severe thunderstorms affected much of Southern Wisconsin during the afternoon and early evening. Many of these storms were accompanied by strong winds producing damage across the region. Rock, Jefferson and Dodge Counties received widespread tree damage from a bow echo that moved through between 3:30 PM and 5:30 PM. A 100-year-old barn was blown down near the town of Eden in eastern Fond du Lac County. Also, a small intense microburst hammered the northeast corner of Green Lake County at about 5:40 PM and then moved northeast for about 1.8 miles. During this thunderstorm event:


1. Maximum wind speeds were estimated at 100 mph!!
2. One shoreline home with a partially sheltered wind anemometer had a measured wind gust of 90 mph.
3. Heavy rains and poor visibilities accompanied the hurricane force winds.
4. Damage was inflicted on homes, boats, boat piers, and many trees.

5. The path length of the microburst was about 1.8 miles and the maximum width was about 150 yards.


* - All degree readings are in Fahrenheit.
*** - Denotes temperatures that tied the record high for the day.

Source of information provided by the National Oceanographic and Atmospheric Administration's National Weather Service.


Michael Leiba...

  • Received his Bachelor of Science Degree in Meteorology from The Florida State University in 1986.
  • From 1986 to 1987, Mike worked as a Meteorologist Analyst at The Florida State University, Department of Meteorology Annex's Mesoscale Air-Sea Interaction Group (MASIG) where he analyzed and digitized maps of monthly pseudo wind stress averages over the Tropical Pacific. This study was directly related to the research of El Nino, and the prediction of Pacific Ocean current models.
  • Since 1987, Mike has worked as an Environmental Specialist for the State of Florida, Department of Health, Bureau of Radiation Control.
  • From 2002 to 2006, Mike volunteered as a Meteorologist, Weather Producer for WPBF News Channel 25 in West Palm Beach, Florida. He provided a 5 day weather forecast for the On Camera Weather Expert utilizing different kinds of weather prediction models. He also provided special weather statements from the National Weather Service as well as any climate information for the West Palm Beach viewing area. He would perform this responsibility an average of once a week.
  • In 2009, Mike worked part time as a Certified Weather Observer at Palm Beach International Airport in West Palm Beach, Florida where he encoded and recorded aviation weather observations in accordance with the Federal Aviation Administration.
  • Since 1986, Mike has been a member of the American Meteorological Society.
  • He was a member of the 2006 Palm Beach Post Hurricane Storm Team where his hurricane safety tips appeared on the Internet as well as in the Palm Beach Post.
  • Since 2006, he has been a Certified SKYWARN storm spotter from the National Weather Service, Miami Forecast Office.