Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 330, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 27, 2007, 10:37 PM CDT for Todd County, Minnesota. It was in force for 28 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 27, 2007, 10:37 PM CDT (03:37 UTC)
- Expired
- Aug 27, 2007, 11:05 PM CDT
- In force
- 28 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Todd County, MN
The radar
The Minneapolis radar (KMPX), 172 km from the middle of the area, began a volume at 03:38 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, 3.6 hours before the alert went out and 171 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
- 2564 J/kg
- Mixed-layer CIN
- -230 J/kg
- Mixed-layer LCL
- 806 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 379 m²/s²
- 0-3 km storm-relative helicity
- 526 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 280337 SVRMPX MNC153-280430- /O.NEW.KMPX.SV.W.0330.070828T0337Z-070828T0430Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1037 PM CDT MON AUG 27 2007 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... TODD COUNTY IN CENTRAL MINNESOTA... * UNTIL 1130 PM CDT * AT 1034 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED 10 MILES SOUTHWEST OF CLARISSA...OR ABOUT 11 MILES WEST OF LONG PRAIRIE...AND MOVING EAST AT 25 MPH. * LOCATIONS IMPACTED INCLUDE... CLARISSA... BROWERVILLE... LONG PRAIRIE... STAY INDOORS...AND AWAY FROM WINDOWS. LAT...LON 4612 9513 4591 9513 4592 9465 4624 9466 $$
2 follow-up statements
000 WWUS53 KMPX 280346 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1047 PM CDT MON AUG 27 2007 MNC153-280430- /O.CON.KMPX.SV.W.0330.000000T0000Z-070828T0430Z/ TODD MN- 1047 PM CDT MON AUG 27 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT FOR TODD COUNTY... AT 1042 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 3 MILES EAST OF CLOTHO...OR ABOUT 6 MILES SOUTHWEST OF BROWERVILLE...AND MOVING EAST AT 30 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE CLOTHO...LONG PRAIRIE... CLARISSA AND BROWERVILLE. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. LAT...LON 4613 9501 4593 9508 4592 9465 4624 9466 $$
000 WWUS53 KMPX 280405 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1104 PM CDT MON AUG 27 2007 MNC153-280414- /O.CAN.KMPX.SV.W.0330.000000T0000Z-070828T0430Z/ TODD MN- 1104 PM CDT MON AUG 27 2007 ...THE SEVERE THUNDERSTORM WARNING FOR TODD COUNTY IS CANCELLED... RADAR INDICATED THAT THE STORM HAD WEAKENED TO BELOW SEVERE LIMITS. THUS THE WARNING HAS BEEN CANCELLED. HEAVY RAIN WILL REMAIN POSSIBLE THROUGH 1115 OR 1130 PM ACROSS THE EASTERN PORTION OF THE COUNTY...MAINLY TO THE EAST OF LONG PRAIRIE. LAT...LON 4613 9501 4593 9508 4592 9465 4624 9466 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 10:17 PM CDT | Severe Thunderstorm Warning | MPX | Isanti, Kanabec | 23 min |
| Aug 28, 12:59 AM CDT | Severe Thunderstorm Warning | MPX | Redwood, Renville, Yellow Medicine | 61 min |
| Aug 28, 1:39 AM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod, Wright | 51 min |
| Aug 28, 1:49 AM CDT | Severe Thunderstorm Warning | MPX | Sibley | 56 min |
| Aug 28, 1:52 AM CDT | Severe Thunderstorm Warning | MPX | Chisago | 53 min |
| Aug 28, 2:13 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin, Le Sueur, Rice, Scott | 62 min |
| Aug 28, 2:27 AM CDT | Severe Thunderstorm Warning | MPX | Carver | 40 min |
| Aug 28, 2:47 AM CDT | Flash Flood Warning | MPX | Carver, Dakota, Hennepin, Scott | 3 hr |
| Aug 28, 2:47 AM CDT | Flash Flood Warning | MPX | Carver, Dakota, Hennepin, Ramsey, Scott | 3 hr |
| Aug 28, 2:54 AM CDT | Severe Thunderstorm Warning | MPX | Ramsey, Washington | 51 min |
| Aug 28, 3:11 AM CDT | Severe Thunderstorm Warning | MPX | Dakota | 19 min |
| Aug 28, 11:44 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Rice | 46 min |
| Aug 28, 12:04 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 48 min |
| Aug 28, 1:09 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 40 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2007Every severe thunderstorm warning in 2007
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.