Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 13, NWS Milwaukee, WI
NWS Milwaukee, WI issued this severe thunderstorm warning at Mar 6, 2017, 11:30 PM CST for Rock County, Wisconsin. It was in force for 30 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
- Mar 6, 2017, 11:30 PM CST (05:30 UTC)
- Expired
- Mar 7, 2017, 12:00 AM CST
- In force
- 30 min
- Issued by
- NWS Milwaukee, WI
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Rock County, WI
The radar
The Milwaukee radar (KMKX), 67 km from the middle of the area, began a volume at 05:30 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 |
|---|---|---|---|
| Mar 6, 11:55 PM CST | TSTM WND GST 49 | 5 Ssw Janesville, WI | AWOS STATION JANESVILLE / ROCK CO ARPT /JVL/. |
| Mar 6, 11:59 PM CST | TSTM WND DMG | 8 Sse Orfordville, WI | TREE DOWN IN NEWARK TOWNSHIP. |
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 |
|---|---|---|---|
| Mar 6, 10:35 PM CST | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 5.5 hours before the alert went out and 152 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
- 39 J/kg
- Mixed-layer CIN
- -343 J/kg
- Mixed-layer LCL
- 1016 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 407 m²/s²
- 0-3 km storm-relative helicity
- 489 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
441 WUUS53 KMKX 070530 SVRMKX WIC105-070600- /O.NEW.KMKX.SV.W.0013.170307T0530Z-170307T0600Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Milwaukee/Sullivan WI 1130 PM CST MON MAR 6 2017 The National Weather Service in Milwaukee/Sullivan has issued a * Severe Thunderstorm Warning for... Southwestern Rock County in south central Wisconsin... * Until midnight CST * At 1128 PM CST, a severe thunderstorm was located 7 miles northwest of Rock City, or 8 miles southeast of Monroe, moving east at 50 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...AWOS observation. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Janesville, Beloit, Newark and Afton. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4250 8937 4274 8896 4250 8895 TIME...MOT...LOC 0528Z 253DEG 44KT 4251 8952 HAIL...0.75IN WIND...60MPH $$ BSH
The office that day
Everything else NWS Milwaukee, WI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 9:40 PM CST | Severe Thunderstorm Warning | MKX | Sauk | 50 min |
| Mar 6, 9:45 PM CST | Severe Thunderstorm Warning | MKX | Iowa | 45 min |
| Mar 6, 10:00 PM CST | Severe Thunderstorm Warning | MKX | Lafayette | 45 min |
| Mar 6, 10:28 PM CST | Severe Thunderstorm Warning | MKX | Columbia, Marquette, Sauk | 47 min |
| Mar 6, 10:28 PM CST | Severe Thunderstorm Warning | MKX | Iowa | 17 min |
| Mar 6, 10:42 PM CST | Severe Thunderstorm Warning | MKX | Dane, Green, Iowa, Lafayette | 33 min |
| Mar 6, 10:57 PM CST | Severe Thunderstorm Warning | MKX | Dane, Iowa | 18 min |
| Mar 6, 11:08 PM CST | Severe Thunderstorm Warning | MKX | Columbia, Green Lake, Marquette, Sauk | 28 min |
| Mar 6, 11:13 PM CST | Severe Thunderstorm Warning | MKX | Dane, Green, Lafayette, Rock | 47 min |
| Mar 6, 11:28 PM CST | Special Weather Statement | MKX | Columbia, Sauk | 47 min |
| Mar 6, 11:40 PM CST | Special Weather Statement | MKX | Green Lake, Marquette | 50 min |
| Mar 6, 11:46 PM CST | Special Weather Statement | MKX | Dodge, Fond du Lac | 29 min |
| Mar 6, 11:48 PM CST | Severe Thunderstorm Warning | MKX | Jefferson, Rock, Walworth | 27 min |
| Mar 7, 12:09 AM CST | Special Weather Statement | MKX | Jefferson, Walworth | 51 min |
| Mar 7, 12:19 AM CST | Special Weather Statement | MKX | Dodge, Fond du Lac, Ozaukee, Sheboygan, Washington | 71 min |
| Mar 7, 12:28 AM CST | Severe Thunderstorm Warning | MKX | Kenosha, Milwaukee, Racine, Walworth, Waukesha | 47 min |
| Mar 7, 12:30 AM CST | Severe Thunderstorm Warning | MKX | Fond du Lac, Ozaukee, Sheboygan, Washington | 45 min |
| Mar 7, 12:37 AM CST | Special Marine Warning | MKX | 53 min | |
| Mar 7, 5:42 PM CST | Special Weather Statement | MKX | Columbia, Dane, Dodge, Green, Iowa, Lafayette | 33 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2017Every severe thunderstorm warning in 2017
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.