Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 108, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at May 23, 2012, 5:44 PM CDT for Lyon County, Murray County, Minnesota. It was in force for 31 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 23, 2012, 5:44 PM CDT (22:44 UTC)
- Expired
- May 23, 2012, 6:15 PM CDT
- In force
- 31 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 58.0 mph
Counties Lyon County, MN, Murray County, MN
The radar
The Sioux Falls radar (KFSD), 99 km from the middle of the area, began a volume at 22:47 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 23, 6:05 PM CDT | HAIL 1 | 4 N Currie, MN | ALSO HAD HEAVY RAIN WITH GREATER THAN 2 INCH PER HOUR RATES. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.7 hours before the alert went out and 188 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
- 1960 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 354 m²/s²
- 0-3 km storm-relative helicity
- 362 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
939
WUUS53 KFSD 232244
SVRFSD
MNC083-101-232315-
/O.NEW.KFSD.SV.W.0108.120523T2244Z-120523T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
544 PM CDT WED MAY 23 2012
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN LYON COUNTY IN SOUTHWEST MINNESOTA...
MURRAY COUNTY IN SOUTHWEST MINNESOTA...
* UNTIL 615 PM CDT
* AT 544 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING TWO SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL. ONE STORM WAS LOCATED NEAR CURRENT LAKE...THE SECOND
STORM WAS LOCATED NEARLAKE WILSON. BOTH STORMS ARE MOVING NORTHEAST
AT 50 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
SLAYTON AROUND 550 PM CDT...
LAKE SHETEK STATE PARK...TRACY AND CURRIE AROUND 600 PM CDT...
DOVRAY AROUND 605 PM CDT...
OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
GARVIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4421 9559 4420 9547 4399 9547 4386 9606
4394 9607 4421 9604 4431 9559
TIME...MOT...LOC 2244Z 235DEG 44KT 4416 9582 4400 9594
WIND...HAIL <58MPH 1.00IN
$$
SCHUMACHER2 follow-up statements
071
WWUS53 KFSD 232301
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
601 PM CDT WED MAY 23 2012
MNC083-101-232315-
/O.CON.KFSD.SV.W.0108.000000T0000Z-120523T2315Z/
LYON MN-MURRAY MN-
601 PM CDT WED MAY 23 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR MURRAY AND
SOUTHEASTERN LYON COUNTIES UNTIL 615 PM CDT...
AT 557 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
THREE SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL.
ONE STORM WAS LOCATED NEAR TRACY...THE SECOND STORM WAS LOCATED 5
MILES WEST OF LAKE SHETEK STATE PARK...AND THE LAST SEVERE STORM WAS
WAS LOCATED APPROXIMATELY 5 MILES SOUTHWEST OF CHANDLER...NEAR THE
NOBLES COUNTY. THESE STORMS WERE MOVING NORTHEAST AT 50 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
DOVRAY AROUND 605 PM CDT...
CHANDLER AROUND 610 PM CDT...
AT 540 PM CDT...NICKEL SIZE HAIL WAS REPORTED NEAR LAKE WILSON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4431 9559 4421 9559 4420 9547 4407 9552
4390 9584 4390 9589 4386 9606 4394 9607
4419 9597
TIME...MOT...LOC 2257Z 235DEG 44KT 4425 9563 4409 9576
WIND...HAIL <58MPH 1.00IN
$$
SCHUMACHER179
WWUS53 KFSD 232313
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
613 PM CDT WED MAY 23 2012
MNC083-101-232323-
/O.EXP.KFSD.SV.W.0108.000000T0000Z-120523T2315Z/
LYON MN-MURRAY MN-
613 PM CDT WED MAY 23 2012
...THE SEVERE THUNDERSTORM WARNING FOR MURRAY AND SOUTHEASTERN LYON
COUNTIES WILL EXPIRE AT 615 PM CDT...
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED AND MOVED OUT OF
THE WARNED AREA. HOWEVER...DIME SIZE HAIL WILL STILL BE POSSIBLE
WITH THE STORMS AS THEY MOVE ACROSS WESTERN MURRAY COUNTY.
LAT...LON 4431 9559 4421 9559 4420 9547 4407 9552
4390 9584 4390 9589 4386 9606 4394 9607
4419 9597
TIME...MOT...LOC 2313Z 235DEG 44KT 4436 9540 4420 9553
$$
SCHUMACHERThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 3:50 AM CDT | Flash Flood Watch | FSD | Cottonwood, Jackson, Murray, Nobles | 29 hr |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.