Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 6, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 5, 2009, 3:51 PM CDT for Barron County, Wisconsin. It was in force for 54 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 5, 2009, 3:51 PM CDT (20:51 UTC)
- Expired
- May 5, 2009, 4:45 PM CDT
- In force
- 54 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
County Barron County, WI
The radar
The Minneapolis radar (KMPX), 147 km from the middle of the area, began a volume at 20:54 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 5, 4:05 PM CDT | HAIL 0.88 | 3 N Prairie Farm, WI | SHERRIF DEPUTY REPORTED PEA TO NICKLE SIZE HAIL COVERING THE GROND ON COUNTY ROAD F. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 8.9 hours before the alert went out and 149 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
- 3 J/kg
- Mixed-layer CIN
- -141 J/kg
- Mixed-layer LCL
- 1042 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 052051 SVRMPX WIC005-052145- /O.NEW.KMPX.SV.W.0006.090505T2051Z-090505T2145Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 351 PM CDT TUE MAY 5 2009 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN BARRON COUNTY IN NORTHWEST WISCONSIN... * UNTIL 445 PM CDT * AT 351 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 5 MILES NORTHWEST OF PRAIRIE FARM...OR ABOUT 14 MILES EAST OF AMERY...AND MOVING EAST AT 20 MPH. * LOCATIONS IN THE WARNING INCLUDE... PRAIRIE FARM... HILLSDALE... BARRON... RICE LAKE... CHETEK... CAMERON... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4554 9169 4527 9163 4522 9211 4537 9215 TIME...MOT...LOC 2052Z 254DEG 16KT 4528 9206 $$
2 follow-up statements
000 WWUS53 KMPX 052110 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 410 PM CDT TUE MAY 5 2009 WIC005-052145- /O.CON.KMPX.SV.W.0006.000000T0000Z-090505T2145Z/ BARRON WI- 410 PM CDT TUE MAY 5 2009 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR SOUTHERN BARRON COUNTY... AT 409 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM... CAPABLE OF PRODUCING QUARTER SIZE HAIL. THE SEVERE STORM WAS LOCATED 4 MILES NORTH OF PRAIRIE FARM...AND MOVING EAST AT 15 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE...HILLSDALE...DALLAS... BARRON...CHETEK AND CAMERON. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM. WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM. && LAT...LON 4523 9201 4539 9208 4554 9169 4527 9163 TIME...MOT...LOC 2110Z 256DEG 15KT 4529 9195 $$
000 WWUS53 KMPX 052129 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 429 PM CDT TUE MAY 5 2009 WIC005-052145- /O.CON.KMPX.SV.W.0006.000000T0000Z-090505T2145Z/ BARRON WI- 429 PM CDT TUE MAY 5 2009 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR CENTRAL BARRON COUNTY... AT 428 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM... CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE SEVERE STORM WAS LOCATED NEAR HILLSDALE...AND MOVING EAST AT 15 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE...CAMERON AND CHETEK. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR DAMAGING WINDS AND LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4525 9185 4544 9192 4554 9169 4527 9163 TIME...MOT...LOC 2129Z 256DEG 15KT 4533 9183 $$ JLT
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 2:25 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Dunn, Polk, Saint Croix | 65 min |
| May 5, 4:44 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Rusk | 61 min |
| May 5, 5:15 PM CDT | Severe Thunderstorm Warning | MPX | Polk | 30 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2009Every severe thunderstorm warning in 2009
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.