Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 13, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at May 3, 2015, 11:39 PM CDT for Dodge County, Jefferson County, Wisconsin. It was in force for 36 min. 2 reports 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 3, 2015, 11:39 PM CDT (04:39 UTC)
- Expired
- May 4, 2015, 12:15 AM CDT
- In force
- 36 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Dodge County, WI, Jefferson County, WI
The radar
The Milwaukee radar (KMKX), 37 km from the middle of the area, began a volume at 04:39 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 3, 11:55 PM CDT | HAIL 1 | 2 Sw Watertown, WI | |
| May 4, 12:20 AM CDT | HAIL 0.88 | Watertown, WI | REPORT RELAYED FROM SOCIAL MEDIA. |
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 00:00Z, 4.7 hours before the alert went out and 136 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
- 214 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 1769 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.4
The text
As transmitted, in the capitals the NWS used until 2016.
656
WUUS53 KMKX 040439
SVRMKX
WIC027-055-040515-
/O.NEW.KMKX.SV.W.0013.150504T0439Z-150504T0515Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1139 PM CDT SUN MAY 3 2015
THE NATIONAL WEATHER SERVICE IN MILWAUKEE/SULLIVAN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN JEFFERSON COUNTY IN SOUTHEASTERN WISCONSIN...
SOUTHEASTERN DODGE COUNTY IN SOUTHEASTERN WISCONSIN...
* UNTIL 1215 AM CDT
* AT 1139 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
WATERTOWN...MOVING NORTHEAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
TO ROOFS...SIDING AND TREES.
* LOCATIONS IMPACTED INCLUDE...
WATERTOWN...HARTFORD...JOHNSON CREEK...HUSTISFORD...IRON RIDGE...
IXONIA...ASHIPPUN...RUBICON...LEBANON...WOODLAND...NEOSHO...
RICHWOOD...CLYMAN AND PIPERSVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4348 8840 4337 8840 4337 8842 4321 8842
4319 8846 4320 8853 4317 8854 4308 8877
4323 8891 4350 8842
TIME...MOT...LOC 0439Z 236DEG 37KT 4321 8874
HAIL...1.00IN
WIND...60MPH
$$
SPM3 follow-up statements
033
WWUS53 KMKX 040451
SVSMKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1151 PM CDT SUN MAY 3 2015
WIC027-055-040515-
/O.CON.KMKX.SV.W.0013.000000T0000Z-150504T0515Z/
JEFFERSON WI-DODGE WI-
1151 PM CDT SUN MAY 3 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT
FOR NORTHEASTERN JEFFERSON AND SOUTHEASTERN DODGE COUNTIES...
AT 1151 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER WATERTOWN...
MOVING NORTHEAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING AND TREES.
LOCATIONS IMPACTED INCLUDE...
WATERTOWN...HARTFORD...HUSTISFORD...IRON RIDGE...IXONIA...ASHIPPUN...
RUBICON...LEBANON...WOODLAND...NEOSHO...RICHWOOD...CLYMAN AND
PIPERSVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4348 8840 4337 8840 4337 8842 4321 8842
4319 8846 4320 8853 4317 8854 4309 8876
4323 8891 4350 8842
TIME...MOT...LOC 0451Z 236DEG 33KT 4321 8874
HAIL...1.00IN
WIND...60MPH
$$
MBK711
WWUS53 KMKX 040500
SVSMKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1200 AM CDT MON MAY 4 2015
WIC027-055-040515-
/O.CON.KMKX.SV.W.0013.000000T0000Z-150504T0515Z/
JEFFERSON WI-DODGE WI-
1200 AM CDT MON MAY 4 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT
FOR NORTHEASTERN JEFFERSON AND SOUTHEASTERN DODGE COUNTIES...
AT 1158 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WATERTOWN...
MOVING NORTHEAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED. AT 1155 PM...A NATIONAL WEATHER SERVICE
EMPLOYEE REPORTED 1 INCH HAIL 2 MILES SOUTHWEST OF WATERTOWN.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING AND TREES.
LOCATIONS IMPACTED INCLUDE...
WATERTOWN...HARTFORD...HUSTISFORD...IRON RIDGE...IXONIA...ASHIPPUN...
RUBICON...LEBANON...WOODLAND...NEOSHO...RICHWOOD...CLYMAN AND
PIPERSVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4348 8840 4337 8840 4337 8842 4321 8842
4319 8846 4320 8853 4317 8854 4311 8869
4325 8887 4350 8842
TIME...MOT...LOC 0458Z 236DEG 33KT 4324 8866
HAIL...1.00IN
WIND...60MPH
$$
MBK522
WWUS53 KMKX 040510
SVSMKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1210 AM CDT MON MAY 4 2015
WIC027-055-040520-
/O.EXP.KMKX.SV.W.0013.000000T0000Z-150504T0515Z/
JEFFERSON WI-DODGE WI-
1210 AM CDT MON MAY 4 2015
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JEFFERSON AND
SOUTHEASTERN DODGE COUNTIES WILL EXPIRE AT 1215 AM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER SMALL HAIL
AND GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 4348 8840 4337 8840 4337 8842 4321 8842
4319 8846 4320 8853 4317 8854 4311 8869
4325 8887 4350 8842
TIME...MOT...LOC 0508Z 236DEG 37KT 4324 8866
$$
MBKThe office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 10:04 PM CDT | Special Weather Statement | MKX | Sauk | 26 min |
| May 3, 10:33 PM CDT | Special Weather Statement | MKX | Iowa, Marquette, Sauk | 57 min |
| May 3, 11:08 PM CDT | Special Weather Statement | MKX | Rock | 37 min |
| May 3, 11:33 PM CDT | Special Weather Statement | MKX | Columbia, Dane, Dodge, Fond du Lac, Green Lake, Iowa and 3 more | 57 min |
| May 4, 12:10 AM CDT | Severe Thunderstorm Warning | MKX | Dane | 35 min |
| May 4, 12:59 AM CDT | Special Weather Statement | MKX | Dodge, Fond du Lac, Jefferson, Ozaukee, Rock, Sheboygan and 3 more | 61 min |
| May 4, 1:11 AM CDT | Severe Thunderstorm Warning | MKX | Rock, Walworth | 23 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2015Every severe thunderstorm warning in 2015
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.