Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 24, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at May 15, 2012, 6:00 PM CDT for Milwaukee County, Waukesha County, Wisconsin. It was in force for 45 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 15, 2012, 6:00 PM CDT (23:00 UTC)
- Expired
- May 15, 2012, 6:45 PM CDT
- In force
- 45 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Milwaukee County, WI, Waukesha County, WI
The radar
The Milwaukee radar (KMKX), 50 km from the middle of the area, began a volume at 23:00 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 15, 6:37 PM CDT | HAIL 0.25 | 3 W Sussex, WI |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 11.0 hours before the alert went out and 169 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
- 2744 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
419
WUUS53 KMKX 152300
SVRMKX
WIC079-133-152345-
/O.NEW.KMKX.SV.W.0024.120515T2300Z-120515T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
600 PM CDT TUE MAY 15 2012
THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MILWAUKEE COUNTY IN SOUTHEAST WISCONSIN...
EAST CENTRAL WAUKESHA COUNTY IN SOUTHEAST WISCONSIN...
* UNTIL 645 PM CDT
* AT 556 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
HARTLAND...AND MOVING EAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
WAUKESHA AIRPORT AND DOWNTOWN WAUKESHA AROUND 605 PM CDT.
BROOKFIELD...NEW BERLIN AND BUTLER AROUND 615 PM CDT.
ELM GROVE...WAUWATOSA AND MILWAUKEE TIMMERMAN AIRPORT AROUND 620 PM
CDT.
WEST ALLIS...MILWAUKEE COUNTY ZOO AND HALES CORNERS AROUND 625 PM
CDT.
WEST MILWAUKEE...GREENFIELD AND GREENDALE AROUND 630 PM CDT.
MILWAUKEE HOAN BRIDGE AROUND 635 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE STATE
FAIR PARK...MILWAUKEE CO ZOO...MILLER PARK...MITCHELL PARK DOMES...
MILWAUKEE BRADFORD BEACH...SAINT FRANCIS AND MILWAUKEE SOUTH SHORE
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 4284 8783 4300 8843 4317 8836 4309 8786
4306 8786 4304 8789 4301 8789 4296 8784
4291 8783 4288 8784 4288 8783 4285 8782
TIME...MOT...LOC 2300Z 286DEG 26KT 4306 8827
WIND...HAIL 60MPH 1.00IN
$$
WOOD3 follow-up statements
648
WWUS53 KMKX 152313
SVSMKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
613 PM CDT TUE MAY 15 2012
WIC079-133-152345-
/O.CON.KMKX.SV.W.0024.000000T0000Z-120515T2345Z/
MILWAUKEE WI-WAUKESHA WI-
613 PM CDT TUE MAY 15 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
WAUKESHA AND MILWAUKEE COUNTIES UNTIL 645 PM CDT...
AT 610 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
WAUKESHA AIRPORT...OR NEAR BROOKFIELD...MOVING EAST AT 30 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
ELM GROVE AND MILWAUKEE TIMMERMAN AIRPORT AROUND 620 PM CDT.
WEST ALLIS...MILWAUKEE COUNTY ZOO...WAUWATOSA AND HALES CORNERS
AROUND 625 PM CDT.
WEST MILWAUKEE...GREENFIELD AND GREENDALE AROUND 630 PM CDT.
MILWAUKEE HOAN BRIDGE...DOWNTOWN MILWAUKEE AND UW-MILWAUKEE CAMPUS
AROUND 635 PM CDT.
ST. FRANCIS AND MILWAUKEE INTERNATIONAL AIRPORT AROUND 640 PM CDT.
CUDAHY AROUND 645 PM CDT.
OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE STATE
FAIR PARK...MILWAUKEE CO ZOO...MILLER PARK...MITCHELL PARK DOMES...
MILWAUKEE BRADFORD BEACH...SAINT FRANCIS AND MILWAUKEE SOUTH SHORE
PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4284 8783 4300 8843 4317 8836 4309 8786
4306 8786 4304 8789 4301 8789 4296 8784
4291 8783 4288 8784 4288 8783 4285 8782
TIME...MOT...LOC 2313Z 286DEG 26KT 4303 8815
WIND...HAIL 60MPH 1.00IN
$$
CRAVEN703
WWUS53 KMKX 152325
SVSMKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
625 PM CDT TUE MAY 15 2012
WIC079-133-152345-
/O.CON.KMKX.SV.W.0024.000000T0000Z-120515T2345Z/
MILWAUKEE WI-WAUKESHA WI-
625 PM CDT TUE MAY 15 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EAST CENTRAL
WAUKESHA AND MILWAUKEE COUNTIES UNTIL 645 PM CDT...
AT 624 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR WEST
ALLIS...MOVING EAST AT 30 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
WEST MILWAUKEE...GREENFIELD AND GREENDALE AROUND 630 PM CDT.
DOWNTOWN MILWAUKEE AND UW-MILWAUKEE CAMPUS AROUND 635 PM CDT.
ST. FRANCIS...MILWAUKEE INTERNATIONAL AIRPORT AND MILWAUKEE HOAN
BRIDGE AROUND 640 PM CDT.
CUDAHY...SOUTH MILWAUKEE AND OAK CREEK AROUND 645 PM CDT.
OTHER LOCATIONS IMPACTED BY THE SEVERE THUNDERSTORM INCLUDE MILLER
PARK...MITCHELL PARK DOMES...MILWAUKEE BRADFORD BEACH...SAINT FRANCIS
AND MILWAUKEE SOUTH SHORE 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 4284 8783 4293 8818 4315 8822 4309 8786
4306 8786 4304 8789 4301 8789 4296 8784
4291 8783 4288 8784 4288 8783 4287 8783
TIME...MOT...LOC 2325Z 286DEG 26KT 4300 8804
WIND...HAIL 60MPH 1.00IN
$$
CRAVEN857
WWUS53 KMKX 152338
SVSMKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
638 PM CDT TUE MAY 15 2012
WIC133-152346-
/O.CAN.KMKX.SV.W.0024.000000T0000Z-120515T2345Z/
WAUKESHA WI-
638 PM CDT TUE MAY 15 2012
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WAUKESHA COUNTY
IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.
LAT...LON 4294 8784 4300 8807 4312 8807 4309 8786
4306 8786 4304 8789 4301 8789 4296 8784
TIME...MOT...LOC 2336Z 278DEG 32KT 4301 8785
$$
WIC079-152345-
/O.CON.KMKX.SV.W.0024.000000T0000Z-120515T2345Z/
MILWAUKEE WI-
638 PM CDT TUE MAY 15 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
MILWAUKEE COUNTY UNTIL 645 PM CDT...
AT 633 PM CDT...THIS STORM CAPABLE OF PRODUCING 60 MPH WINDS WAS
LOCATED NEAR MILWAUKEE HOAN BRIDGE...OR NEAR DOWNTOWN
MILWAUKEE...MOVING EAST AT 35 MPH.
LOCATIONS IMPACTED INCLUDE...
THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MILWAUKEE COUNTY WILL
EXPIRE AT 645 PM CDT...
LAT...LON 4294 8784 4300 8807 4312 8807 4309 8786
4306 8786 4304 8789 4301 8789 4296 8784
TIME...MOT...LOC 2336Z 278DEG 32KT 4301 8785
WIND...HAIL 60MPH <.75IN
$$
CRAVENThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 4:00 AM CDT | Small Craft Advisory | MKX | 20 hr | |
| May 15, 6:10 PM CDT | Severe Thunderstorm Warning | MKX | Milwaukee, Racine, Waukesha | 35 min |
| May 15, 6:17 PM CDT | Special Marine Warning | MKX | 58 min | |
| May 15, 6:51 PM CDT | Special Marine Warning | MKX | 34 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.