Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 133, NWS Green Bay, WI
NWS Green Bay, WI issued this severe thunderstorm warning at Aug 1, 2006, 6:15 PM CDT for Marinette County, Wisconsin. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 1, 2006, 6:15 PM CDT (23:15 UTC)
- Expired
- Aug 1, 2006, 6:43 PM CDT
- In force
- 28 min
- Issued by
- NWS Green Bay, WI
- Area
- Counties, with a storm outline in the text
County Marinette County, WI
The radar
The Green Bay radar (KGRB), 95 km from the middle of the area, began a volume at 23:18 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.3 hours before the alert went out and 97 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1836 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 953 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.9
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Green Bay, WI wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 1, 4:15 PM CDT, 2 hours earlier.
Area forecast discussion, Aug 1, 4:15 PM CDT, 2 hours before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREEN BAY WI 415 PM CDT TUE AUG 1 2006 .SHORT TERM...TONIGHT AND WEDNESDAY MAIN CONCERN IN THE SHORT-TERM WILL BE EVOLVING CONVECTIVE ACTIVITY AND SEVERE POTENTIAL ASSOCIATED WITH APPROACHING FRONTAL BOUNDARY THIS EVENING...TRANSITIONING TO MORE OF A HEAVY RAIN EVENT OVERNIGHT. DESPITE SOME PERSISTENT MID TO HIGH LEVEL CLOUDS THIS AFTERNOON...THERE WAS ENOUGH INSOLATION TO ALLOW SURFACE TEMPS TO CREEP INTO THE MIDDLE 90S OVER MUCH OF THE FOX VALLEY THIS AFTERNOON. WITH DEW POINTS IN THE LOW TO MID 70S...HEAT INDICES WERE ABLE TO APPROACH THE 100-105 MARK IN A FEW AREAS. WILL ALLOW THE HEAT ADVISORY TO EXPIRE AT 7 PM THIS EVENING FOR THE FOX VALLEY. NEXT CONCERN IS SEVERE WEATHER THREAT FOR LATE THIS AFTERNOON INTO THE EVENING AHEAD OF APPROACHING COLD FRONT EXTENDING FROM IWD TO MSP TO SUX. WHERE THE CLOUDS HAD THINNED OVER WESTERN AND CENTRAL WISCONSIN LATE THIS AFTERNOON...SCATTERED THUNDERSTORMS HAVE INCREASED IN AREAL COVERAGE. EXPECT SCATTERED THUNDERSTORMS TO INCREASE IN COVERAGE OVER INITIALLY OVER THE SOUTHWEST HALF OF THE FORECAST AREA IN THE VICINITY OF THE APPROACHING FRONTAL BOUNDARY THEN SPREAD NORTHEAST. ALTHOUGH DEEP LAYER SHEAR SOMEWHAT MARGINAL...GIVEN MODERATE INSTABILITY...EXPECT A FEW STORMS TO REACH SEVERE LIMITS LATER THIS AFTERNOON. AS PER PREVIOUS FORECAST...AS EVENING PROGRESSES...EXPECT SITUATION TO EVOLVE INTO A HEAVY RAINFALL THREAT AS 40-45 KY LLJ IMPINGES ON FRONTAL BOUNDARY. GIVEN THE DEGREE OF INSTABILITY SOUTH OF THE FRONT...STRENGTH OF LOW-LEVL FORCING...HI PW VALUES...WARM CLOUD LAYER DEPTH AND RELATIVELY WEAK WINDS ALOFT...HEAVY RAINFALL QUITE POSSIBLE PARTICULARLY OVER THE WESTERN/WESTCENTRAL PORTION OF THE STATE BEWTEEN ABOUT 9 PM AND 3 AM. HOWEVER...DESPITE RAINFALL OVER LAST FEW DAYS OVER WESTERN PORTION OF THE FCST AREA...FFG VALUES STILL ON THE ORDER OF 2-3 INCHES PER 3 HOURS. ALTHOUGH THESE RAINFALL RATES ARE NOT OUT OF THE QUESTION...FEEL MAIN FOCUS WILL BE A BIT FURTHER WEST. HAVE OPTED TO HOLD OF ON FLASH FLOOD WATCH FOR NOW BUT WILL CONTINUE TO MONITOR SITUATION CLOSELY THIS EVENING. .LONG TERM...WEDNESDAY NIGHT THROUGH NEXT TUESDAY THE COLD FRONT WILL DEPART WEDNESDAY NIGHT LEAVING DRIER AND COOLER AIR FOR THE REMAINDER OF THE WORK WEEK. THERE IS SOME CHANCE OF SPRINKLES OR A BRIEF SHOWER THURSDAY NIGHT AS A REINFORCING PUSH OF COOLER AIR ARRIVES AND ANOTHER SMALL CHANCE OF SHOWERS OR SPRINKLES FRIDAY NIGHT AS A WARM FRONT ORGANIZES TO OUR WEST. THINK THAT DRY AIR WILL WIN OUT AND KEPT IT DRY UNTIL SATURDAY NIGHT AND SUNDAY WHEN ANOTHER FRONT WITH BETTER LOW LEVEL MOISTURE ARRIVES. && .GRB WATCHES/WARNINGS/ADVISORIES...NONE. && BRUSKY/RDM WEATHER.GOV/GREENBAY
Hazardous weather outlook, Aug 1, 5:30 AM CDT, 12 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREEN BAY WI 530 AM CDT TUE AUG 1 2006 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-021100- VILAS-ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE-SOUTHERN MARINETTE- LINCOLN-LANGLADE-MENOMINEE-NORTHERN OCONTO-SOUTHERN OCONTO-DOOR- MARATHON-SHAWANO-WOOD-PORTAGE-WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WAUSHARA- WINNEBAGO-CALUMET-MANITOWOC- 530 AM CDT TUE AUG 1 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL AND NORTHEAST WISCONSIN. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE POSSIBLE ACROSS NORTHEAST WISCONSIN TODAY AND TONIGHT. ANY STORMS THAT DEVELOP COULD PRODUCE DAMAGING WIND GUSTS. AS THE THUNDERSTORMS CONTINUE INTO THE OVERNIGHT HOURS...HEAVY RAINFALL IS POSSIBLE ACROSS NORTHEAST WISCONSIN. HOT AND HUMID WEATHER IS EXPECTED OVER EAST CENTRAL WISCONSIN TODAY... WITH HEAT INDICES RISING TO AROUND 105. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH NEXT MONDAY THE CHANCE OF THUNDERSTORMS WILL CONTINUE INTO WEDNESDAY. HEAVY RAINFALL IS AGAIN POSSIBLE. THE RISK OF HEAVY RAINFALL WEDNESDAY WILL BE MAINLY OVER CENTRAL AND EAST-CENTRAL PORTIONS OF THE STATE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TODAY AND TONIGHT. LMZ521-522-541>543-564-021100- THE BAY OF GREEN BAY SOUTH OF A LINE FROM CEDAR RIVER MI TO ROCK ISLAND PASSAGE-LAKE MICHIGAN FROM WASHINGTON ISLAND TO SHEBOYGAN-THE ADJOINING WISCONSIN WATERS OF LAKE MICHIGAN OUT TO MID-LAKE- 530 AM CDT TUE AUG 1 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WATERS OF CENTRAL AND SOUTHERN GREEN BAY...AND LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO SHEBOYGAN. .DAY ONE...TODAY AND TONIGHT THERE IS A CHANCE OF THUNDERSTORMS OVER THE BAY AND LAKE MICHIGAN NEARSHORE WATERS TODAY AND TONIGHT. THE MAIN SEVERE THREAT WITH THE THUNDERSTORMS WILL BE DAMAGING WINDS. AS THE THUNDERSTORMS CONTINUE INTO THE OVERNIGHT HOURS...HEAVY RAINFALL IS POSSIBLE. PATCHY FOG IS POSSIBLE OVER THE NEARSHORE WATERS OF LAKE MICHIGAN... TODAY AND TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH NEXT MONDAY THE CHANCE OF THUNDERSTORMS WILL CONTINUE INTO WEDNESDAY. HEAVY RAINFALL IS AGAIN POSSIBLE. SRF WEATHER.GOV/GREENBAY
In the hours before
Local storm report, Aug 1, 4:38 PM CDT, 1 hour 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
438 PM CDT TUE AUG 01 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0434 PM HEAVY RAIN COLBY 44.91N 90.30W
08/01/2006 M0.67 INCH MARATHON WI CO-OP OBSERVER
0.67 OF AN INCH IN 7 MINUTES. WIND GUST EST 35 MPH AT
ONSET.
&&Local storm report, Aug 1, 4:48 PM CDT, 1 hour 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
448 PM CDT TUE AUG 01 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0434 PM TSTM WND GST OSHKOSH 44.01N 88.55W
08/01/2006 M48 MPH WINNEBAGO WI ASOS
&&Special weather statement, Aug 1, 4:50 PM CDT, 1 hour 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREEN BAY WI 450 PM CDT TUE AUG 1 2006 WIZ010>013-018>022-030-031-035>040-045-048>050-073-074-020100- ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE-SOUTHERN MARINETTE-LINCOLN- LANGLADE-MENOMINEE-NORTHERN OCONTO-SOUTHERN OCONTO-DOOR-MARATHON- SHAWANO-WOOD-PORTAGE-WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WAUSHARA- WINNEBAGO-CALUMET-MANITOWOC- 450 PM CDT TUE AUG 1 2006 ...THUNDERSTORMS WITH VERY HEAVY RAIN AND STRONG WINDS EXPECTED THIS EVENING... SCATTERED THUNDERSTORMS DEVELOPED LATE THIS AFTERNOON IN A WARM AND HUMID AIRMASS AHEAD OF A SLOW MOVING COLD FRONT. THE STORMS ARE FORECAST TO CONTINUE TO DEVELOP AND MOVE EAST INTO THE EVENING. THE STORMS WILL PRODUCE TROPICAL RAINFALL WHICH COULD CAUSE URBAN AND SMALL STREAM FLOODING. THE STRONGEST STORMS WILL ALSO BE CAPABLE OF PRODUCING WIND GUSTS OVER 50 MPH AND HAIL. STAY TUNED TO NATIONAL WEATHER SERVICE FORECASTS AND UPDATES ON THIS EVENINGS WEATHER SITUATION. JKL WEATHER.GOV/GREENBAY
Local storm report, Aug 1, 5:49 PM CDT, 26 minutes before
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</html>The office that day
Everything else NWS Green Bay, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 3:27 PM CDT | Severe Thunderstorm Warning | GRB | Waupaca | 33 min |
| Aug 1, 4:57 PM CDT | Special Marine Warning | GRB | 2 hr | |
| Aug 1, 5:00 PM CDT | Severe Thunderstorm Warning | GRB | Marinette | 30 min |
| Aug 1, 5:29 PM CDT | Special Marine Warning | GRB | 51 min | |
| Aug 1, 5:31 PM CDT | Tornado Warning | GRB | Door | 36 min |
| Aug 1, 6:48 PM CDT | Severe Thunderstorm Warning | GRB | Door, Kewaunee | 27 min |
| Aug 1, 6:54 PM CDT | Special Marine Warning | GRB | 96 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2006Every severe thunderstorm warning in 2006
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.