Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 240, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 23, 2005, 10:58 AM CDT for Polk County, Saint Croix County, Wisconsin. It was in force for 62 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
- Jul 23, 2005, 10:58 AM CDT (15:58 UTC)
- Expired
- Jul 23, 2005, 12:00 PM CDT
- In force
- 62 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Polk County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 97 km from the middle of the area, began a volume at 16:00 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 |
|---|---|---|---|
| Jul 23, 11:45 AM CDT | TSTM WND DMG | Glenwood City, WI | TREES DOWN |
| Jul 23, 11:45 AM CDT | TSTM WND DMG | Roberts, WI | POWER LINES 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 23, 10:15 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 4.0 hours before the alert went out and 99 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
- 883 J/kg
- Mixed-layer CIN
- -215 J/kg
- Mixed-layer LCL
- 1174 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 255 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 231558 SVRMPX WIC095-109-231700- /O.NEW.KMPX.SV.W.0240.050723T1558Z-050723T1700Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1058 AM CDT SAT JUL 23 2005 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... POLK COUNTY IN NORTHWEST WISCONSIN ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN * UNTIL NOON CDT * AT 1056 AM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 12 MILES NORTHWEST OF NEW RICHMOND TO 19 MILES SOUTHWEST OF NEW RICHMOND... AND MOVING EAST AT 55 MPH. * LOCATIONS IMPACTED INCLUDE... NEW RICHMOND... BALSAM LAKE... AMERY... HUDSON... SOMERSET... OSCEOLA... CLEAR LAKE... GLENWOOD CITY... THIS IS A DANGEROUS STORM THAT HAS A HISTORY OF PRODUCING VERY DAMAGING WINDS. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. LAT...LON 4545 9262 4488 9273 4487 9215 4550 9219 $$ KAT
2 follow-up statements
000 WWUS53 KMPX 231636 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1134 AM CDT SAT JUL 23 2005 WIC095-109-231700- /O.CON.KMPX.SV.W.0240.000000T0000Z-050723T1700Z/ POLK WI-ST. CROIX WI- 1134 AM CDT SAT JUL 23 2005 ...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL NOON CDT FOR ST. CROIX AND POLK COUNTIES... AT 1115 AM CDT...POWER LINES WERE REPORTED DOWNED IN ST CROIX FALLS WITH THIS STORM. THIS IS A DANGEROUS STORM...SEEK SAFE SHELTER AND STAY AWAY FROM WINDOWS AT 1130 AM CDT...THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 17 MILES NORTHEAST OF AMERY TO 7 MILES WEST OF MENOMONIE... MOVING EAST AT 50 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE RANGE...LITTLE FALLS... HERSEY...FOREST...EMERALD...DERONDA...CYLON...WOODVILLE...HAMMOND... GLENWOOD CITY...DEER PARK...CLEAR LAKE...BALDWIN AND AMERY. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. LAT...LON 4547 9245 4487 9247 4487 9215 4549 9218 $$ KAT
000 WWUS53 KMPX 231657 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1156 AM CDT SAT JUL 23 2005 WIC095-109-231706- /O.EXP.KMPX.SV.W.0240.000000T0000Z-050723T1700Z/ POLK WI-ST. CROIX WI- 1156 AM CDT SAT JUL 23 2005 ...THE SEVERE THUNDERSTORM WARNING FOR ST. CROIX AND POLK COUNTIES WILL EXPIRE AT NOON CDT... THE STORMS THAT PROMPTED THE WARNING FOR ST CROIX AND POLK COUNTIES HAVE MOVED EAST OF THE AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE. PRIOR TO MOVING OUT OF THE COUNTIES...NUMEROUS TREES AND POWER LINES WERE REPORTED DOWNED ACROSS THESE COUNTIES. LAT...LON 4547 9245 4487 9247 4487 9215 4549 9218 $$ KAT
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 11:08 AM CDT | Severe Thunderstorm Warning | MPX | Pierce | 67 min |
| Jul 23, 11:24 AM CDT | Severe Thunderstorm Warning | MPX | Barron, Dunn | 66 min |
| Jul 23, 11:54 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Eau Claire, Pepin | 66 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2005Every severe thunderstorm warning in 2005
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.