Alert archive / Minnesota / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 112, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 9, 2013, 8:45 AM CDT for Chisago County, Washington County, Minnesota; Polk County, Saint Croix County, Wisconsin. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 9, 2013, 8:45 AM CDT (13:45 UTC)
- Expired
- Jul 9, 2013, 9:30 AM CDT
- In force
- 45 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Chisago County, MN, Washington County, MN, Polk County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 104 km from the middle of the area, began a volume at 13:49 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.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 1.8 hours before the alert went out and 106 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
- 1298 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 1081 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
288
WUUS53 KMPX 091345
SVRMPX
MNC025-163-WIC095-109-091430-
/O.NEW.KMPX.SV.W.0112.130709T1345Z-130709T1430Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
845 AM CDT TUE JUL 9 2013
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN CHISAGO COUNTY IN EAST CENTRAL MINNESOTA...
NORTHERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA...
POLK COUNTY IN NORTHWEST WISCONSIN...
NORTHERN ST. CROIX COUNTY IN WEST CENTRAL WISCONSIN...
* UNTIL 930 AM CDT
* AT 844 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM FOREST LAKE TO STILLWATER...AND MOVING NORTHEAST AT
40 MPH.
HAZARD...60 MPH WIND GUSTS AND NICKEL SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
* LOCATIONS IMPACTED INCLUDE...
NEW RICHMOND...AMERY...BALSAM LAKE...BURKHARDT...MARINE ON ST
CROIX...SCANDIA...CHISAGO CITY...OTISVILLE...SOMERSET...
LINDSTROM...ROBERTS...BOARDMAN...CENTER CITY...EAST FARMINGTON...
HOULTON...SHAFER...OSCEOLA...HUNTINGTON...STAR PRAIRIE AND DRESSER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4550 9215 4512 9215 4511 9214 4493 9271
4528 9302 4565 9252
TIME...MOT...LOC 1345Z 243DEG 36KT 4530 9293 4510 9277
HAIL...0.88IN
WIND...60MPH
$$3 follow-up statements
139
WWUS53 KMPX 091405
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
905 AM CDT TUE JUL 9 2013
MNC025-163-WIC095-109-091430-
/O.CON.KMPX.SV.W.0112.000000T0000Z-130709T1430Z/
CHISAGO MN-WASHINGTON MN-ST. CROIX WI-POLK WI-
905 AM CDT TUE JUL 9 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR POLK...
NORTHERN ST. CROIX...NORTHEASTERN WASHINGTON AND SOUTHEASTERN CHISAGO
COUNTIES UNTIL 930 AM CDT...
AT 903 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 13 MILES WEST OF BALSAM LAKE TO 9 MILES NORTH OF NEW
RICHMOND TO 7 MILES SOUTHEAST OF NEW RICHMOND...AND MOVING NORTHEAST
AT 40 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
LOCATIONS IMPACTED INCLUDE...
AMERY...BALSAM LAKE...WANDEROOS...CYLON...DEER PARK...CENTURIA...
DERONDA...EMERALD...FOREST...MILLTOWN...CLEAR LAKE...LUCK...RANGE...
JOEL AND CLAYTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4550 9215 4511 9215 4495 9263 4529 9296
4565 9252
TIME...MOT...LOC 1405Z 243DEG 36KT 4547 9270 4526 9254
4506 9241
HAIL...0.75IN
WIND...60MPH
$$295
WWUS53 KMPX 091421
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
921 AM CDT TUE JUL 9 2013
MNC163-091431-
/O.CAN.KMPX.SV.W.0112.000000T0000Z-130709T1430Z/
WASHINGTON MN-
921 AM CDT TUE JUL 9 2013
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WASHINGTON COUNTY
IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA.
LAT...LON 4550 9215 4511 9216 4498 9254 4521 9275
4530 9276 4539 9283 4565 9252
TIME...MOT...LOC 1421Z 243DEG 36KT 4554 9249 4533 9234
4513 9221
$$
MNC025-WIC095-109-091430-
/O.CON.KMPX.SV.W.0112.000000T0000Z-130709T1430Z/
CHISAGO MN-ST. CROIX WI-POLK WI-
921 AM CDT TUE JUL 9 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR POLK...
NORTHERN ST. CROIX AND SOUTHEASTERN CHISAGO COUNTIES UNTIL 930 AM
CDT...
AT 917 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES NORTHWEST OF BALSAM LAKE TO AMERY TO 14 MILES
EAST OF NEW RICHMOND...AND MOVING NORTHEAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
LOCATIONS IMPACTED INCLUDE...
CLEAR LAKE...LUCK...RANGE...JOEL AND CLAYTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4550 9215 4511 9216 4498 9254 4521 9275
4530 9276 4539 9283 4565 9252
TIME...MOT...LOC 1421Z 243DEG 36KT 4554 9249 4533 9234
4513 9221
HAIL...0.75IN
WIND...60MPH
$$979
WWUS53 KMPX 091428
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
928 AM CDT TUE JUL 9 2013
MNC025-WIC095-109-091438-
/O.EXP.KMPX.SV.W.0112.000000T0000Z-130709T1430Z/
CHISAGO MN-ST. CROIX WI-POLK WI-
928 AM CDT TUE JUL 9 2013
...THE SEVERE THUNDERSTORM WARNING FOR POLK...NORTHERN ST. CROIX AND
SOUTHEASTERN CHISAGO COUNTIES WILL EXPIRE AT 930 AM CDT...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY. HOWEVER...WIND GUSTS TO 50 MPH AND HEAVY RAIN ARE STILL
POSSIBLE WITH THESE THUNDERSTORMS. SMALL TREE LIMBS COULD STILL COME
DOWN WITH THE EXPECTED WINDS.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN THE TWIN CITIES.
LAT...LON 4550 9215 4511 9216 4498 9254 4521 9275
4530 9276 4539 9283 4565 9252
TIME...MOT...LOC 1428Z 243DEG 36KT 4557 9240 4536 9225
4516 9212
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 4:17 AM CDT | Special Weather Statement | MPX | Lac qui Parle, Swift, Yellow Medicine | 58 min |
| Jul 9, 5:03 AM CDT | Special Weather Statement | MPX | Pope, Stevens, Swift | 42 min |
| Jul 9, 5:16 AM CDT | Special Weather Statement | MPX | Chippewa, Yellow Medicine | 44 min |
| Jul 9, 5:39 AM CDT | Special Weather Statement | MPX | Kandiyohi, Renville | 51 min |
| Jul 9, 6:01 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi | 44 min |
| Jul 9, 6:17 AM CDT | Special Weather Statement | MPX | McLeod, Meeker, Sibley, Stearns | 58 min |
| Jul 9, 6:39 AM CDT | Special Weather Statement | MPX | Blue Earth, Brown, Nicollet, Watonwan | 51 min |
| Jul 9, 7:10 AM CDT | Special Weather Statement | MPX | Anoka, Carver, Dakota, Hennepin, Isanti, Ramsey and 3 more | 80 min |
| Jul 9, 7:12 AM CDT | Special Weather Statement | MPX | Goodhue, Le Sueur, Rice, Steele, Waseca | 78 min |
| Jul 9, 8:04 AM CDT | Special Weather Statement | MPX | Chisago, Goodhue, Washington | 71 min |
| Jul 9, 8:36 AM CDT | Special Weather Statement | MPX | Polk | 54 min |
| Jul 9, 9:19 AM CDT | Special Weather Statement | MPX | Barron, Chippewa, Dunn | 56 min |
| Jul 9, 9:30 AM CDT | Special Weather Statement | MPX | Polk | 45 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2013Severe Thunderstorm Warnings in Wisconsin, 2013Every severe thunderstorm warning in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.