Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 63, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 30, 2011, 10:25 AM CDT for 8 counties in Minnesota; Polk County, Saint Croix County, Wisconsin. It was in force for 50 min. 4 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 30, 2011, 10:25 AM CDT (15:25 UTC)
- Expired
- May 30, 2011, 11:15 AM CDT
- In force
- 50 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Anoka County, MN, Carver County, MN, Chisago County, MN, Dakota County, MN, Hennepin County, MN, Ramsey County, MN, Scott County, MN, Washington County, MN, Polk County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 29 km from the middle of the area, began a volume at 15:29 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 30, 10:26 AM CDT | HAIL 1 | White Bear Lake, MN | |
| May 30, 10:33 AM CDT | HAIL 0.75 | Carver, MN | |
| May 30, 10:45 AM CDT | HAIL 0.5 | 2 N Marine On St Croix, MN | |
| May 30, 10:48 AM CDT | HAIL 0.88 | Minneapolis, MN | LORING PARK. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 3.4 hours before the alert went out and 392 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1403 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 87 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
485 WUUS53 KMPX 301525 SVRMPX MNC003-019-025-037-053-123-139-163-WIC095-109-301615- /O.NEW.KMPX.SV.W.0063.110530T1525Z-110530T1615Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1025 AM CDT MON MAY 30 2011 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ANOKA COUNTY IN EAST CENTRAL MINNESOTA... SOUTHEASTERN CARVER COUNTY IN EAST CENTRAL MINNESOTA... EXTREME SOUTH CENTRAL CHISAGO COUNTY IN EAST CENTRAL MINNESOTA... NORTHWESTERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA... HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA... RAMSEY COUNTY IN EAST CENTRAL MINNESOTA... SCOTT COUNTY IN EAST CENTRAL MINNESOTA... NORTHERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA... SOUTHWESTERN POLK COUNTY IN NORTHWEST WISCONSIN... NORTHWESTERN ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN... * UNTIL 1115 AM CDT * AT 1024 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR EDEN PRAIRIE...OR ABOUT 11 MILES SOUTH OF PLYMOUTH...AND MOVING NORTHEAST AT 55 MPH. LOCATIONS IN THE WARNING INCLUDE... PLYMOUTH... MINNEAPOLIS... ST PAUL... FOREST LAKE... DEEPHAVEN... BLOOMINGTON... LONG LAKE... WOODLAND... THE LAKE MINNETONKA AREA... WAYZATA... EDINA... HOPKINS... RICHFIELD... EAGAN... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4541 9339 4519 9247 4455 9360 4467 9377 TIME...MOT...LOC 1525Z 220DEG 49KT 4487 9346 WIND...HAIL 60MPH 1.00IN $$
2 follow-up statements
286 WWUS53 KMPX 301544 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1044 AM CDT MON MAY 30 2011 MNC019-037-139-301559- /O.CAN.KMPX.SV.W.0063.000000T0000Z-110530T1615Z/ CARVER MN-DAKOTA MN-SCOTT MN- 1044 AM CDT MON MAY 30 2011 ...THE SEVERE THUNDERSTORM WARNING FOR SCOTT...NORTHWESTERN DAKOTA AND SOUTHEASTERN CARVER COUNTIES IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4519 9248 4482 9344 4492 9357 4530 9299 TIME...MOT...LOC 1544Z 220DEG 49KT 4507 9322 $$ MNC003-053-123-163-WIC095-109-301615- /O.CON.KMPX.SV.W.0063.000000T0000Z-110530T1615Z/ ANOKA MN-WASHINGTON MN-HENNEPIN MN-RAMSEY MN-POLK WI-ST. CROIX WI- 1044 AM CDT MON MAY 30 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN ST. CROIX...SOUTHWESTERN POLK...RAMSEY...SOUTHEASTERN HENNEPIN... NORTHERN WASHINGTON AND SOUTHEASTERN ANOKA COUNTIES UNTIL 1115 AM CDT... AT 1042 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING UP TO QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR COLUMBIA HEIGHTS...OR 6 MILES NORTH OF MINNEAPOLIS...MOVING NORTHEAST AT 55 MPH. LOCATIONS IMPACTED INCLUDE... FOREST LAKE...SPRING LAKE PARK...ARDEN HILLS...LITTLE CANADA... MAPLEWOOD...MOUNDS VIEW...SHOREVIEW...VADNAIS HEIGHTS...NORTH ST PAUL...LEXINGTON...CIRCLE PINES...NORTH OAKS...WHITE BEAR LAKE... MAHTOMEDI...WILLERNIE...LINO LAKES...CENTERVILLE...HUGO...SOMERSET AND MARINE ON ST CROIX. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. && LAT...LON 4519 9248 4482 9344 4492 9357 4530 9299 TIME...MOT...LOC 1544Z 220DEG 49KT 4507 9322 WIND...HAIL <50MPH 1.00IN $$
915 WWUS53 KMPX 301600 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1100 AM CDT MON MAY 30 2011 MNC003-053-123-163-WIC095-109-301614- /O.CAN.KMPX.SV.W.0063.000000T0000Z-110530T1615Z/ ANOKA MN-WASHINGTON MN-HENNEPIN MN-RAMSEY MN-POLK WI-ST. CROIX WI- 1100 AM CDT MON MAY 30 2011 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ST. CROIX... SOUTHWESTERN POLK...RAMSEY...SOUTHEASTERN HENNEPIN...NORTHERN WASHINGTON AND SOUTHEASTERN ANOKA COUNTIES IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED AND MOVED OUT OF THE WARNED AREA. LAT...LON 4519 9248 4482 9344 4492 9357 4530 9299 TIME...MOT...LOC 1559Z 220DEG 49KT 4523 9303 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 2:55 AM CDT | Severe Thunderstorm Warning | MPX | Brown, Redwood | 50 min |
| May 30, 3:17 AM CDT | Special Weather Statement | MPX | Douglas, Pope | 43 min |
| May 30, 3:23 AM CDT | Special Weather Statement | MPX | McLeod | 52 min |
| May 30, 3:42 AM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod, Meeker, Wright | 51 min |
| May 30, 4:20 AM CDT | Special Weather Statement | MPX | Anoka, Hennepin, Ramsey | 40 min |
| May 30, 4:23 AM CDT | Special Weather Statement | MPX | Yellow Medicine | 52 min |
| May 30, 4:51 AM CDT | Severe Thunderstorm Warning | MPX | McLeod, Meeker, Renville, Sibley, Wright | 54 min |
| May 30, 4:56 AM CDT | Severe Thunderstorm Warning | MPX | Redwood, Renville, Yellow Medicine | 64 min |
| May 30, 5:19 AM CDT | Special Weather Statement | MPX | Hennepin | 41 min |
| May 30, 5:40 AM CDT | Special Weather Statement | MPX | Wright | 50 min |
| May 30, 6:03 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker | 42 min |
| May 30, 6:50 AM CDT | Special Weather Statement | MPX | Wright | 40 min |
| May 30, 7:31 AM CDT | Special Weather Statement | MPX | Anoka, Isanti | 44 min |
| May 30, 10:07 AM CDT | Special Weather Statement | MPX | Anoka, Carver, Chisago, Hennepin, Ramsey, Scott | 38 min |
| May 30, 10:40 AM CDT | River Flood Warning | MPX | Redwood | 11 hr |
| May 30, 10:40 AM CDT | River Flood Warning | MPX | Chippewa, Lac qui Parle, Yellow Medicine | 14 days |
| May 30, 10:40 AM CDT | River Flood Warning | MPX | Carver | 4 days |
| May 30, 12:47 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 27 min |
| May 30, 12:56 PM CDT | Severe Thunderstorm Warning | MPX | Washington | 34 min |
| May 30, 1:25 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue, Rice, Steele | 35 min |
| May 30, 2:43 AM CDT | Special Weather Statement | MPX | Barron | 47 min |
| May 30, 10:52 AM CDT | Special Weather Statement | MPX | Polk | 38 min |
| May 30, 11:45 AM CDT | Special Weather Statement | MPX | Barron | 30 min |
| May 30, 1:34 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Dunn, Polk, Saint Croix | 26 min |
| May 30, 2:16 PM CDT | Special Weather Statement | MPX | Dunn | 44 min |
| May 30, 2:45 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Chippewa, Dunn, Rusk | 35 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2011Severe Thunderstorm Warnings in Wisconsin, 2011Every severe thunderstorm warning in 2011
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.