Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 53, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 28, 2011, 1:56 PM CDT for Nicollet County, Redwood County, Sibley County, Minnesota. It was in force for 7 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 28, 2011, 1:56 PM CDT (18:56 UTC)
- Expired
- May 28, 2011, 2:03 PM CDT
- In force
- 7 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Nicollet County, MN, Redwood County, MN, Sibley County, MN
The radar
The Minneapolis radar (KMPX), 112 km from the middle of the area, began a volume at 18:56 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 12:00Z, 6.9 hours before the alert went out and 110 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
- 918 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
126
WUUS53 KMPX 281856
SVRMPX
MNC103-127-143-281945-
/O.NEW.KMPX.SV.W.0053.110528T1856Z-110528T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
156 PM CDT SAT MAY 28 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EXTREME NORTHWESTERN NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA...
EAST CENTRAL REDWOOD COUNTY IN SOUTHWEST MINNESOTA...
SOUTHWESTERN SIBLEY COUNTY IN CENTRAL MINNESOTA...
* UNTIL 245 PM CDT
* AT 145 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED NEAR MORGAN...OR ABOUT 13 MILES SOUTHEAST OF
REDWOOD FALLS...AND MOVING NORTHEAST AT 15 MPH.
LOCATIONS IN THE WARNING INCLUDE...
MAINLY RURAL AREAS OF EXTREME NORTHWESTERN NICOLLET AND EXTREME
WESTERN SIBLEY COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4449 9495 4452 9489 4449 9487 4448 9464
4465 9463 4446 9450 4445 9479 4447 9464
4448 9463 4449 9487 4445 9487
TIME...MOT...LOC 1856Z 231DEG 15KT 4450 9482
WIND...HAIL 60MPH 1.00IN
$$1 follow-up statement
544
WWUS53 KMPX 281903
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
203 PM CDT SAT MAY 28 2011
MNC103-127-143-281916-
/O.CAN.KMPX.SV.W.0053.000000T0000Z-110528T1945Z/
SIBLEY MN-REDWOOD MN-NICOLLET MN-
203 PM CDT SAT MAY 28 2011
...THE SEVERE THUNDERSTORM WARNING FOR NICOLLET...REDWOOD AND
SOUTHWESTERN SIBLEY COUNTIES IS CANCELLED...
A NEW WARNING HAS BEEN ISSUED WHICH INCLUDES NORTH CENTRAL BROWN...
EXTREME NORTHWESTERN NICOLLET... EAST CENTRAL REDWOOD... CENTRAL
RENVILLE... AND WESTERN SIBLEY COUNTIES. THE INITIAL WARNING...
WHICH INCLUDED AN INCORRECT GEOGRAPHIC AREA... HAS BEEN CANCELLED.
IF IN THE NEWLY WARNED AREA MENTIONED... SEEK SHELTER TO AVOID LARGE
HAIL AND DAMAGING WIND GUSTS.
LAT...LON 4449 9495 4452 9489 4449 9487 4448 9464
4465 9463 4446 9450 4445 9479 4447 9464
4448 9463 4449 9487 4445 9487
TIME...MOT...LOC 1901Z 231DEG 15KT 4451 9480
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 2:00 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet, Redwood, Renville, Sibley | 34 min |
| May 28, 2:16 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Dakota, Le Sueur, McLeod, Rice, Scott and 1 more | 44 min |
| May 28, 2:39 PM CDT | Tornado Warning | MPX | Carver, Scott, Sibley | 36 min |
| May 28, 3:06 PM CDT | Tornado Warning | MPX | Carver, Le Sueur, Rice, Scott, Sibley | 39 min |
| May 28, 3:45 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Rice, Scott | 45 min |
| May 28, 3:57 PM CDT | Tornado Warning | MPX | Dakota, Goodhue, Rice, Scott | 33 min |
| May 28, 4:27 PM CDT | Special Weather Statement | MPX | Dakota | 48 min |
| May 28, 4:35 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 40 min |
| May 28, 4:43 PM CDT | Special Weather Statement | MPX | Kanabec, Mille Lacs | 47 min |
| May 28, 6:18 PM CDT | Special Weather Statement | MPX | Rice | 42 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2011Every severe thunderstorm warning in 2011
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.