Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 81, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 31, 2008, 7:29 PM CDT for Sibley County, Minnesota. It was in force for 19 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
- May 31, 2008, 7:29 PM CDT (00:29 UTC)
- Expired
- May 31, 2008, 7:48 PM CDT
- In force
- 19 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
County Sibley County, MN
The radar
The Minneapolis radar (KMPX), 60 km from the middle of the area, began a volume at 00:33 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 31, 2:51 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 0.5 hours before the alert went out and 58 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
- 137 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 2074 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KMPX 010029
SVRMPX
MNC143-010100-
/O.NEW.KMPX.SV.W.0081.080601T0029Z-080601T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
729 PM CDT SAT MAY 31 2008
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SIBLEY COUNTY IN CENTRAL MINNESOTA...
* UNTIL 800 PM CDT
* AT 728 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING PENNY SIZE HAIL AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES NORTHWEST OF ARLINGTON TO 3 MILES NORTHEAST
OF GAYLORD TO WINTHROP...AND MOVING SOUTHEAST AT 34 MPH.
* LOCATIONS IMPACTED INCLUDE...
GAYLORD...
ARLINGTON...
GREEN ILSE...
WINTHROP...
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.
REPORT ANY DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST
LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.
LAT...LON 4448 9450 4460 9436 4464 9425 4465 9425
4470 9420 4470 9390 4447 9394
TIME...MOT...LOC 0029Z 311DEG 30KT 4467 9415 4459 9417
4455 9433
$$1 follow-up statement
000
WWUS53 KMPX 010048
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
748 PM CDT SAT MAY 31 2008
MNC143-010058-
/O.CAN.KMPX.SV.W.0081.000000T0000Z-080601T0100Z/
SIBLEY MN-
748 PM CDT SAT MAY 31 2008
...THE SEVERE THUNDERSTORM WARNING FOR SIBLEY COUNTY IS CANCELLED...
DOPPLER RADAR INDICATED THAT THE SEVERE STORM HAD WEAKENED BELOW
SEVERE LIMITS. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN
CANCELLED.
LAT...LON 4448 9450 4460 9436 4464 9425 4465 9425
4470 9420 4470 9390 4447 9394
TIME...MOT...LOC 0048Z 311DEG 30KT 4457 9398 4449 9400
4445 9416
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 7:00 PM CDT | Severe Thunderstorm Warning | MPX | Dakota | 44 min |
| May 31, 7:18 PM CDT | Tornado Warning | MPX | Anoka, Ramsey, Washington | 30 min |
| May 31, 7:23 PM CDT | Tornado Warning | MPX | Washington | 32 min |
| May 31, 7:32 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 43 min |
| May 31, 7:40 PM CDT | Severe Thunderstorm Warning | MPX | Ramsey, Washington | 47 min |
| May 31, 8:21 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 41 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2008Every severe thunderstorm warning in 2008
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.