Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 3, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Apr 6, 2010, 7:12 AM CDT for Kenosha County, Racine County, Wisconsin. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 6, 2010, 7:12 AM CDT (12:12 UTC)
- Expired
- Apr 6, 2010, 7:45 AM CDT
- In force
- 33 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Kenosha County, WI, Racine County, WI
The radar
The Milwaukee radar (KMKX), 68 km from the middle of the area, began a volume at 12:13 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 0.2 hours before the alert went out and 203 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 849 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
747
WUUS53 KMKX 061212
SVRMKX
WIC059-101-061245-
/O.NEW.KMKX.SV.W.0003.100406T1212Z-100406T1245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
712 AM CDT TUE APR 6 2010
THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN KENOSHA COUNTY IN SOUTHEAST WISCONSIN...
EAST CENTRAL RACINE COUNTY IN SOUTHEAST WISCONSIN...
* UNTIL 745 AM CDT
* AT 709 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
STORM WAS LOCATED NEAR KENOSHA AIRPORT...OR NEAR PLEASANT
PRAIRIE...AND MOVING NORTHEAST AT 45 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
RACINE AROUND 725 AM CDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE ELMWOOD
PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4275 8777 4272 8776 4270 8777 4264 8780
4253 8780 4248 8789 4249 8793 4261 8806
4279 8776 4278 8775 4277 8775
TIME...MOT...LOC 1212Z 234DEG 37KT 4260 8788
WIND...HAIL <50MPH 1.00IN
$$
DDV1 follow-up statement
715
WWUS53 KMKX 061235
SVSMKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
735 AM CDT TUE APR 6 2010
WIC101-061243-
/O.CAN.KMKX.SV.W.0003.000000T0000Z-100406T1245Z/
RACINE WI-
735 AM CDT TUE APR 6 2010
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL RACINE COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4267 8779 4264 8780 4253 8780 4248 8789
4249 8793 4261 8806
TIME...MOT...LOC 1233Z 234DEG 37KT 4273 8764
$$
WIC059-061245-
/O.CON.KMKX.SV.W.0003.000000T0000Z-100406T1245Z/
KENOSHA WI-
735 AM CDT TUE APR 6 2010
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
KENOSHA COUNTY UNTIL 745 AM CDT...
AT 730 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
STORM WAS LOCATED 5 MILES SOUTHWEST OF PLEASANT PRAIRIE MOVING
NORTHEAST AT 45 MPH.
THIS SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF EASTERN
KENOSHA COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4267 8779 4264 8780 4253 8780 4248 8789
4249 8793 4261 8806
TIME...MOT...LOC 1233Z 234DEG 37KT 4273 8764
WIND...HAIL <50MPH 1.00IN
$$
ZABELWhat 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 Milwaukee, WI wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 6, 4:15 AM CDT, 2 hours 57 minutes earlier.
Area forecast discussion, Apr 6, 4:15 AM CDT, 2 hours 57 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 415 AM CDT TUE APR 6 2010 .SHORT TERM... TODAY AND TONIGHT...FORECAST CONFIDENCE...MEDIUM SHOWERS AND THUNDERSTORMS ARE PROBABLE TODAY...LEAVING THE MAIN CONCERNS THE THREAT FOR SEVERE WEATHER AND HIGH TEMPERATURES. BOTH OF THESE ISSUES HINGE ON THE MOVEMENT OF THE WARM FRONT THROUGH THE DAY...CURRENTLY LOCATED ACROSS SRN IA AND NRN IL. FRONTOGENESIS ALONG AND NORTH OF THE THE WARM FRONT WILL PRODUCE SHOWERS AND STORMS TODAY...WITH THE FORCING BEST LOCATED ACROSS THE NW HALF OF THE CWA. BEST SEVERE DYNAMICS WILL GENERALLY BE ALONG AND SOUTH OF THE WARM FRONT...ALONG WITH THE HIGHEST MOISTURE CONTENT. THE THREAT FOR SEVERE WEATHER WILL NOT BE CONFINED SOUTH OF THE FRONT THOUGH. GFS MIXED LAYER CAPE VALUES RANGE FROM 0-200 J/KG ACROSS THE NORTH TODAY...TO 600-800 J/KG ACROSS THE SOUTH. SAW DECENT STORMS OVERNIGHT WITH SIMILAR TO SLIGHTLY LESS VALUES. ADDITIONALLY...LAPSE RATES LOOK A BIT STEEPER TODAY. THINK THE MAIN THREAT WILL BE ELEVATED STORMS WITH SEVERE HAIL AND WIND POTENTIAL...THOUGH SOME SURFACE BASED CONVECTION COULD SNEAK INTO THE SOUTH. NEWEST SPC DAY 1 CONVECTIVE OUTLOOK NOW HAS A SLIGHT RISK FOR SEVERE THUNDERSTORMS FOR ALL OF THE FORECAST AREA. WILL HAVE TO MONITOR THE NORTHWARD PROGRESS OF THE WARM FRONT...AS SEVERE THREAT WILL BE LESSENED IF THE FRONT STAYS FURTHER SOUTH THAN ANTICIPATED...AND GREATER IF FURTHER NORTH. TEMPERATURES WILL BE TRICKY TODAY AS WELL...AS HIGHS WILL GENERALLY BE IN THE 50S TO AROUND 60 NORTH OF THE FRONT AND WILL BE IN THE 70S SOUTH. CURRENT FORECAST TEMPS ARE BASED ON THE FRONT JUST GETTING ACROSS THE WI BORDER...STAYING SOUTH OF MILWAUKEE. SHOWERS AND STORMS WILL CONTINUE THIS EVENING AND TONIGHT...AS THE LOW MOVES INTO NRN IL. THE THREAT FOR STRONGER STORMS WILL DIMINISH INTO THE EVENING...WITH THE CHANCE FOR THUNDER DIMINISHING NORTHWEST TO SOUTHEAST THROUGH THE NIGHT. WEDNESDAY...FORECAST CONFIDENCE...MEDIUM RAIN WILL CONTINUE WEDNESDAY AND WEDNESDAY NIGHT ON THE BACK SIDE OF THE SFC LOW...AS THE UPPER TROUGH DIGS DOWN INTO WISCONSIN. CHANCE FOR THUNDER LOOKS MINIMAL ON WEDNESDAY...SO JUST HAVE ISOLATED THUNDER MENTIONED. 1000-500 MB THICKNESS CRASH AS THE UPPER TROUGH MOVES OVERHEAD...AND WOULD SUGGEST THE POSSIBILITY OF SOME SNOW MIXING IN. LEFT OUT MENTION FOR NOW...AS BOUNDARY LAYER APPEARS TO BE JUST MILD ENOUGH TO MAINTAIN RAIN...THOUGH EVAPORATIVE COOLING MAY PUSH THINGS COLD ENOUGH FOR SOME FLAKES. .LONG TERM... THURSDAY THROUGH SATURDAY...FORECAST CONFIDENCE...MEDIUM OTHER THAN A LINGERING SHOWER OR TWO EARLY THURSDAY...DRIER WEATHER WILL RETURN FOR THURSDAY AND INTO THE WEEKEND...AS RIDGING MOVES INTO THE REGION. ADDITIONALLY...TEMPERATURES WILL REBOUND FROM NEAR NORMAL THURSDAY TO WELL ABOVE NORMAL BY SATURDAY...WITH LOW TO MID 60S RETURNING...CONTINUING THE RECENT ABOVE AVERAGE TREND. && .AVIATION...SURFACE LOW CURRENTLY OVER SOUTH CENTRAL NEBRASKA WILL TRACK ALONG SURFACE WARM FRONT OVER NORTHERN ILLINOIS THROUGHOUT TUESDAY AND TUESDAY NIGHT. THIS FRONT WILL FOCUS WIDESPREAD RAINFALL AND OCNL THUNDERSTORMS ALONG AND NORTH OF THE FRONT...WITH HEAVIEST RAINFALL ACROSS CENTRAL WISCONSIN. A FEW OF THE STORMS MAY BE SEVERE ON TUESDAY. MVFR CONDITIONS WITH IFR CONDITIONS LIKELY BY 12Z TUESDAY AND BEYOND AS THUNDERSTORMS EXPECTED TO DEVELOP AND MOVE ACROSS SOUTHERN WISCONSIN FROM SUNRISE THROUGH MID AFTERNOON. COOL FLOW OFF LAKE MICHIGAN EARLY TUESDAY WILL RESULT IN LOWER CEILINGS AND VSBYS NEAR THE LAKE. && .MARINE...A STRONG WARM FRONT SOUTH OF THE AREA TODAY WILL PRODUCE WIDESPREAD SHOWERS AND THUNDERSTORMS. A FEW STORMS MAY BE SEVERE. AN ACTIVE PERIOD OF SHOWERS AND STRONG TO SEVERE STORMS ARE EXPECTED MID MORNING TUESDAY THROUGH TUESDAY NIGHT. A COLD FRONT WILL MOVE ACROSS THE WATERS TUESDAY NIGHT BRINGING BRISK NORTHERLY WINDS AND ROUGH WAVES WEDNESDAY AND THURSDAY...DIMINISHING ON FRIDAY. && .MKX WATCHES/WARNINGS/ADVISORIES... WI...NONE. LM...NONE. && SHORT/LONG TERM...DDV/07 AVIATION/MARINE...BRUESKE/23
Hazardous weather outlook, Apr 6, 4:44 AM CDT, 2 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 444 AM CDT TUE APR 6 2010 WIZ046-047-051-052-056>060-062>072-070945- MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE- WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE- LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA- 444 AM CDT TUE APR 6 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS SOUTHERN WISCONSIN TODAY AND TONIGHT. A STRONG WARM FRONT ACROSS NORTHERN ILLINOIS ASSOCIATED WITH AN APPROACHING LOW PRESSURE SYSTEM WILL FOCUS SIGNIFICANT RAIN AND NUMEROUS SHOWERS AND THUNDERSTORMS ACROSS WISCONSIN. LARGE HAIL...DAMAGING WINDS AND HEAVY RAIN ARE THE MAIN HAZARDS ACROSS CENTRAL AND SOUTHERN WISCONSIN. AN ISOLATED TORNADO IS ALSO POSSIBLE. LOCALIZED FLOODING IS ALSO POSSIBLE. MOST LARGER RIVER SYSTEMS SHOULD ONLY SEE LIGHT TO MODERATE RISES...BUT SOME SMALL RIVERS AND STREAMS WILL SEE FASTER RISES AND MAY EVEN EXCEED FLOOD STAGE FOR A TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY SHOWERS AND A FEW THUNDERSTORMS WILL CONTINUE INTO WEDNESDAY...BUT SEVERE STORMS ARE NOT EXPECTED ON WEDNESDAY. NO HAZARDOUS WEATHER IS EXPECTED THURSDAY THROUGH MONDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TODAY. LMZ643>646-070945- SHEBOYGAN TO PORT WASHINGTON WI- PORT WASHINGTON TO NORTH POINT LIGHT WI- NORTH POINT LIGHT TO WIND POINT WI- WIND POINT WI TO WINTHROP HARBOR IL- 444 AM CDT TUE APR 6 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE MICHIGAN. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE EXPECTED...A FEW MAY BE SEVERE...ESPECIALLY SOUTH OF PORT WASHINGTON. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THUNDERSTORMS ARE EXPECTED EARLY WEDNESDAY. SMALL CRAFT ADVISORY CONDITIONS MAY BE MET WEDNESDAY NIGHT THROUGH THURSDAY...AS STRONG NORTHERLY WINDS BEHIND A COLD FRONTAL PASSAGE CREATE WAVES ABOVE 4 FEET. WWW.WEATHER.GOV/MKX BRUESKE
In the hours before
Special weather statement, Apr 6, 6:25 AM CDT, 47 minutes before
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</html>Special weather statement, Apr 6, 7:02 AM CDT, 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI 702 AM CDT TUE APR 6 2010 WIZ058>060-063>066-068>072-061300- DANE-DODGE-GREEN-JEFFERSON-KENOSHA-MILWAUKEE-OZAUKEE-RACINE-ROCK- WALWORTH-WASHINGTON-WAUKESHA- 702 AM CDT TUE APR 6 2010 ...STRONG THUNDERSTORM MOVING THROUGH SOUTHEAST WISCONSIN... AT 655 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN AREA OF STRONG THUNDERSTORMS ACROSS SOUTHEAST WISCONSIN...MOVING NORTHEAST AT 45 MPH. PENNY SIZE HAIL...WINDS GREATER THAN 30 MPH...OCCASIONAL CLOUD TO GROUND LIGHTNING...BRIEF HEAVY DOWNPOURS...ARE POSSIBLE WITH THESE STORMS. * THE STRONG STORMS WILL CONTINUE OVER AN AREA FROM DANE AND ROCK COUNTIES EAST TO WAUKESHA AND AND WALWORTH COUNTIES. THESE STORMS WILL CONTINUE NORTHEAST INTO THE LAKESHORE COUNTIES BY 730 AM. GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAVE PASSED. DDV
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 9:53 PM CDT | Special Marine Warning | MKX | 67 min | |
| Apr 5, 11:03 PM CDT | Severe Thunderstorm Warning | MKX | Lafayette | 42 min |
| Apr 5, 11:28 PM CDT | Severe Thunderstorm Warning | MKX | Green | 47 min |
| Apr 6, 7:17 AM CDT | Special Marine Warning | MKX | 88 min | |
| Apr 6, 7:33 AM CDT | Special Marine Warning | MKX | 57 min | |
| Apr 6, 10:02 AM CDT | River Flood Watch | MKX | Racine | 5 hr |
| Apr 6, 10:02 AM CDT | River Flood Watch | MKX | Green, Rock | 23 hr |
| Apr 6, 10:02 AM CDT | River Flood Watch | MKX | Iowa, Lafayette | 23 hr |
| Apr 6, 10:02 AM CDT | River Flood Watch | MKX | Green | 23 hr |
| Apr 6, 10:40 AM CDT | River Flood Warning | MKX | Kenosha | 6 days |
| Apr 6, 2:51 PM CDT | River Flood Warning | MKX | Racine | 14 hr |
| Apr 6, 6:43 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Sauk | 47 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2010Every severe thunderstorm warning in 2010
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.