Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 402, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 30, 2007, 3:20 AM CDT for Wright County, Minnesota. It was in force for 16 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
- Sep 30, 2007, 3:20 AM CDT (08:20 UTC)
- Expired
- Sep 30, 2007, 3:36 AM CDT
- In force
- 16 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Wright County, MN
The radar
The Minneapolis radar (KMPX), 51 km from the middle of the area, began a volume at 08:21 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, 8.3 hours before the alert went out and 50 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
- 1567 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 434 m²/s²
- 0-3 km storm-relative helicity
- 705 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KMPX 300820
SVRMPX
MNC171-300900-
/O.NEW.KMPX.SV.W.0402.070930T0820Z-070930T0900Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
320 AM CDT SUN SEP 30 2007
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WRIGHT COUNTY IN CENTRAL MINNESOTA...
* UNTIL 400 AM CDT
* AT 317 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED 19 MILES SOUTHWEST OF
BUFFALO...OR ABOUT 14 MILES EAST OF HUTCHINSON...AND MOVING
NORTHEAST AT 45 MPH.
* LOCATIONS IMPACTED INCLUDE...
BUFFALO...
MONTICELLO...
HOWARD LAKE...
STAY INDOORS...AND AWAY FROM WINDOWS.
LAT...LON 4501 9414 4516 9412 4540 9405 4538 9393
4535 9389 4534 9382 4532 9380 4528 9367
4498 9395
TIME...MOT...LOC 0820Z 207DEG 40KT 4499 9410
$$1 follow-up statement
000
WWUS53 KMPX 300836
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
334 AM CDT SUN SEP 30 2007
MNC171-300844-
/O.CAN.KMPX.SV.W.0402.000000T0000Z-070930T0900Z/
WRIGHT MN-
334 AM CDT SUN SEP 30 2007
...THE SEVERE THUNDERSTORM WARNING FOR WRIGHT COUNTY IS CANCELLED...
RADAR INDICATED THAT THE STORM HAD WEAKENED TO BELOW SEVERE LIMITS.
THUS THE WARNING HAS BEEN CANCELLED. MORE THUNDERSTORMS ARE POSSIBLE
THROUGH THE MORNING IN WRIGHT COUNTY. THE ENVIRONMENT IS CONDUCIVE
FOR MORE SEVERE WEATHER. SO REMAIN ALERT FOR POSSIBLE ADDITIONAL
WARNINGS.
REPORT ANY SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT FOR RELAY TO
THE NATIONAL WEATHER SERVICE.
LAT...LON 4501 9414 4516 9412 4540 9405 4538 9393
4535 9389 4534 9382 4532 9380 4528 9367
4498 9395
TIME...MOT...LOC 0834Z 207DEG 40KT 4513 9400
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 30, 2:34 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker, Renville | 41 min |
| Sep 30, 3:07 AM CDT | Severe Thunderstorm Warning | MPX | Meeker, Sherburne, Stearns | 38 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.