Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 67, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Jul 26, 2012, 12:41 AM CDT for Fond du Lac County, Wisconsin. It was in force for 49 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
- Jul 26, 2012, 12:41 AM CDT (05:41 UTC)
- Expired
- Jul 26, 2012, 1:30 AM CDT
- In force
- 49 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 70.0 mph
County Fond du Lac County, WI
The radar
The Green Bay radar (KGRB), 72 km from the middle of the area, began a volume at 05:44 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 |
|---|---|---|---|
| Jul 26, 1:15 AM CDT | TSTM WND DMG | Fond Du Lac, WI | TWO 10 INCH DIAMETER TREES BLOWN DOWN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 25, 6:38 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 00:00Z, 5.7 hours before the alert went out and 71 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
- 2643 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 1451 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 16.9
The text
As transmitted, in the capitals the NWS used until 2016.
872
WUUS53 KMKX 260541
SVRMKX
WIC039-260630-
/O.NEW.KMKX.SV.W.0067.120726T0541Z-120726T0630Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
1241 AM CDT THU JUL 26 2012
THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL FOND DU LAC COUNTY IN EAST CENTRAL WISCONSIN...
* UNTIL 130 AM CDT
* AT 1237 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED NEAR
NORTH FOND DU LAC...AND MOVING NORTHEAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL AFFECT THE CITY OF FOND DU LAC.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS!
&&
LAT...LON 4394 8818 4370 8842 4379 8864 4390 8856
4390 8841 4393 8841 4394 8838
TIME...MOT...LOC 0541Z 212DEG 25KT 4383 8846
WIND...HAIL 70MPH 1.00IN
$$
WOOD1 follow-up statement
134
WWUS53 KMKX 260623
SVSMKX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
123 AM CDT THU JUL 26 2012
WIC039-260633-
/O.EXP.KMKX.SV.W.0067.000000T0000Z-120726T0630Z/
FOND DU LAC WI-
123 AM CDT THU JUL 26 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL FOND DU LAC
COUNTY WILL EXPIRE AT 130 AM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED TO NORTHEAST FOND DU
LAC COUNTY AND NORTHWEST SHEBOYGAN COUNTY.
LAT...LON 4394 8818 4370 8842 4379 8864 4390 8856
4390 8841 4393 8841 4394 8838
TIME...MOT...LOC 0623Z 212DEG 25KT 4408 8824
$$The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 8:26 PM CDT | Special Marine Warning | MKX | 64 min | |
| Jul 25, 9:34 PM CDT | Severe Thunderstorm Warning | MKX | Iowa | 26 min |
| Jul 25, 9:51 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette | 32 min |
| Jul 25, 11:20 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette | 40 min |
| Jul 25, 11:39 PM CDT | Severe Thunderstorm Warning | MKX | Lafayette | 51 min |
| Jul 25, 11:39 PM CDT | Severe Thunderstorm Warning | MKX | Dodge, Fond du Lac, Washington | 21 min |
| Jul 25, 11:52 PM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette, Sauk | 38 min |
| Jul 26, 12:00 AM CDT | Severe Thunderstorm Warning | MKX | Dodge, Fond du Lac | 30 min |
| Jul 26, 12:10 AM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane, Green, Rock | 35 min |
| Jul 26, 12:35 AM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dodge, Jefferson, Rock, Walworth, Waukesha | 70 min |
| Jul 26, 12:53 AM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane, Green, Rock | 37 min |
| Jul 26, 1:13 AM CDT | Severe Thunderstorm Warning | MKX | Fond du Lac, Sheboygan | 32 min |
| Jul 26, 1:24 AM CDT | Special Marine Warning | MKX | 96 min | |
| Jul 26, 1:26 AM CDT | Severe Thunderstorm Warning | MKX | Dodge, Fond du Lac, Kenosha, Milwaukee, Ozaukee, Racine and 4 more | 64 min |
| Jul 26, 2:20 PM CDT | Special Marine Warning | MKX | 85 min | |
| Jul 26, 2:47 PM CDT | Severe Thunderstorm Warning | MKX | Sheboygan | 28 min |
| Jul 26, 2:56 PM CDT | Severe Thunderstorm Warning | MKX | Ozaukee, Washington | 34 min |
| Jul 26, 3:03 PM CDT | Special Marine Warning | MKX | 72 min | |
| Jul 26, 3:38 PM CDT | Special Marine Warning | MKX | 2 hr | |
| Jul 26, 3:46 PM CDT | Special Marine Warning | MKX | 44 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.