Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 17, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 17, 2005, 11:07 PM CDT for Sibley County, Minnesota. It was in force for 23 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
- Apr 17, 2005, 11:07 PM CDT (04:07 UTC)
- Expired
- Apr 17, 2005, 11:30 PM CDT
- In force
- 23 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Sibley County, MN
The radar
The Minneapolis radar (KMPX), 64 km from the middle of the area, began a volume at 04:10 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, 4.1 hours before the alert went out and 61 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
- 84 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 1084 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 185 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 180407
SVRMPX
MNC143-180430-
/O.NEW.KMPX.SV.W.0017.050418T0407Z-050418T0430Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1107 PM CDT SUN APR 17 2005
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SIBLEY COUNTY IN CENTRAL MINNESOTA
* UNTIL 1130 PM CDT
* AT 1100 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
CAPABLE OF PRODUCING LARGE HAIL. THIS STORM WAS LOCATED 8 MILES
WEST OF GAYLORD...OR ABOUT 16 MILES NORTH OF NEW ULM...AND MOVING
NORTHEAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
GIBBON...
WINTHROP...
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM PASSES.
LAT...LON 4459 9451 4448 9432 4470 9399 4470 9423
4463 9425
$$
MKM2 follow-up statements
000
WWUS53 KMPX 180420
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1120 PM CDT SUN APR 17 2005
MNC143-180430-
/O.CON.KMPX.SV.W.0017.000000T0000Z-050418T0430Z/
SIBLEY MN-
1120 PM CDT SUN APR 17 2005
...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 1130 PM CDT FOR
SIBLEY COUNTY...
AT 1110 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING LARGE HAIL...AND THIS STORM WAS
LOCATED NEAR WINTHROP...OR ABOUT 20 MILES NORTH OF NEW ULM...MOVING
NORTHEAST AT 30 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE GAYLORD...NEW AUBURN AND
ARLINGTON.
LAT...LON 4459 9451 4448 9432 4470 9399 4470 9423
4463 9425
$$
MKM000
WWUS53 KMPX 180429
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1128 PM CDT SUN APR 17 2005
MNC143-180438-
/O.EXP.KMPX.SV.W.0017.000000T0000Z-050418T0430Z/
SIBLEY MN-
1128 PM CDT SUN APR 17 2005
...THE SEVERE THUNDERSTORM WARNING FOR SIBLEY COUNTY WILL EXPIRE AT
1130 PM CDT...
THE STORM THAT WAS BELIEVED TO HAVE DROPPED LARGE HAIL WEST AND
NORTH OF WINTHROP HAS WEAKENED SIGNIFICANTLY. THEREFORE THE SEVERE
THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE FOR SIBLEY COUNTY.
LAT...LON 4459 9451 4448 9432 4470 9399 4470 9423
4463 9425
$$
MKMThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 10:42 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet | 33 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2005Every severe thunderstorm warning in 2005
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.