Alert archive / Minnesota / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 84, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 19, 2009, 12:41 AM CDT for Chippewa County, Kandiyohi County, Swift County, Minnesota. It was in force for 34 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
- Aug 19, 2009, 12:41 AM CDT (05:41 UTC)
- Expired
- Aug 19, 2009, 1:15 AM CDT
- In force
- 34 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Chippewa County, MN, Kandiyohi County, MN, Swift County, MN
The radar
The Minneapolis radar (KMPX), 140 km from the middle of the area, began a volume at 05:41 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 00:00Z, 5.7 hours before the alert went out and 137 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
- 2229 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 175 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 190541 SVRMPX MNC023-067-151-190615- /O.NEW.KMPX.SV.W.0084.090819T0541Z-090819T0615Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1241 AM CDT WED AUG 19 2009 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL KANDIYOHI COUNTY IN CENTRAL MINNESOTA... SOUTHEASTERN SWIFT COUNTY IN WEST CENTRAL MINNESOTA... NORTHEASTERN CHIPPEWA COUNTY IN WEST CENTRAL MINNESOTA... * UNTIL 115 AM CDT * AT 1238 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 8 MILES NORTHWEST OF RAYMOND...OR ABOUT 16 MILES WEST OF WILLMAR...AND MOVING NORTHEAST AT 15 MPH. LOCATIONS IN THE WARNING INCLUDE... WILLMAR... PENNOCK... KERKHOVEN... PRIAM... 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 4531 9530 4512 9499 4499 9531 4512 9552 TIME...MOT...LOC 0540Z 226DEG 14KT 4508 9537 $$
1 follow-up statement
000 WWUS53 KMPX 190602 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 102 AM CDT WED AUG 19 2009 MNC023-067-151-190615- /O.CON.KMPX.SV.W.0084.000000T0000Z-090819T0615Z/ KANDIYOHI MN-SWIFT MN-CHIPPEWA MN- 102 AM CDT WED AUG 19 2009 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM CDT FOR WEST CENTRAL KANDIYOHI COUNTY IN CENTRAL MINNESOTA...AND NORTHEASTERN CHIPPEWA AND SOUTHEASTERN SWIFT COUNTIES IN WEST CENTRAL MINNESOTA... AT 1259 AM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM... CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE SEVERE STORM WAS LOCATED 3 MILES SOUTH OF KERKHOVEN... AND MOVING NORTHEAST AT 15 MPH. LOCATIONS IN THE WARNING INCLUDE... KERKHOVEN AND PENNOCK. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR DAMAGING WINDS AND LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4504 9520 4516 9547 4531 9530 4512 9499 TIME...MOT...LOC 0602Z 207DEG 14KT 4517 9531 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 11:39 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle, Stevens, Swift | 36 min |
| Aug 19, 12:20 AM CDT | Special Weather Statement | MPX | Swift | 40 min |
| Aug 19, 12:59 AM CDT | Special Weather Statement | MPX | Swift | 46 min |
| Aug 19, 1:18 AM CDT | Special Weather Statement | MPX | Kandiyohi | 42 min |
| Aug 19, 2:16 AM CDT | Areal Flood Advisory | MPX | Chippewa, Kandiyohi, Lac qui Parle, Meeker, Swift | 5 hr |
| Aug 19, 1:04 PM CDT | Areal Flood Advisory | MPX | Anoka, Carver, Chisago, Hennepin, Isanti, Kanabec and 7 more | 6 hr |
| Aug 19, 2:11 PM CDT | Tornado Warning | MPX | Anoka, Hennepin, Ramsey | 34 min |
| Aug 19, 2:16 PM CDT | Tornado Warning | MPX | Dakota | 29 min |
| Aug 19, 2:53 PM CDT | Tornado Warning | MPX | Dakota, Ramsey, Washington | 22 min |
| Aug 19, 3:16 PM CDT | Tornado Warning | MPX | Anoka, Ramsey, Washington | 29 min |
| Aug 19, 3:46 PM CDT | Tornado Warning | MPX | Anoka, Chisago, Washington | 29 min |
| Aug 19, 4:21 PM CDT | Tornado Warning | MPX | Chisago | 39 min |
| Aug 19, 4:49 PM CDT | Severe Thunderstorm Warning | MPX | Redwood, Yellow Medicine | 41 min |
| Aug 19, 5:18 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 21 min |
| Aug 19, 5:24 PM CDT | Special Weather Statement | MPX | Chippewa, Swift | 51 min |
| Aug 19, 6:02 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Redwood | 58 min |
| Aug 19, 6:19 PM CDT | Tornado Warning | MPX | Brown | 26 min |
| Aug 19, 6:29 PM CDT | Tornado Warning | MPX | Brown | 31 min |
| Aug 19, 6:39 PM CDT | Tornado Warning | MPX | Brown | 36 min |
| Aug 19, 6:44 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Renville | 44 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.