Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 6, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Apr 15, 2012, 2:48 PM CDT for Pipestone County, Minnesota. It was in force for 27 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
- Apr 15, 2012, 2:48 PM CDT (19:48 UTC)
- Expired
- Apr 15, 2012, 3:15 PM CDT
- In force
- 27 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
County Pipestone County, MN
The radar
The Sioux Falls radar (KFSD), 67 km from the middle of the area, began a volume at 19:50 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 |
|---|---|---|---|
| Apr 15, 3:05 PM CDT | HAIL 1 | 3 Ssw Holland, MN | HAIL COVERED THE GROUND. MOST STONES WERE MARBLE SIZE WITH A FEW QUARTER SIZE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 7.8 hours before the alert went out and 199 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
- 484 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 656 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
231
WUUS53 KFSD 151948
SVRFSD
MNC117-152015-
/O.NEW.KFSD.SV.W.0006.120415T1948Z-120415T2015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
248 PM CDT SUN APR 15 2012
THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
PIPESTONE COUNTY IN SOUTHWEST MINNESOTA...
* UNTIL 315 PM CDT
* AT 248 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR TROSKY...OR 7 MILES SOUTH OF PIPESTONE...AND MOVING
NORTH AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
PIPESTONE AROUND 255 PM CDT...
PIPESTONE NATIONAL MONUMENT AROUND 300 PM CDT...
HOLLAND AROUND 310 PM CDT...
RUTHTON AROUND 315 PM CDT...
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
HATFIELD.
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 4417 9606 4408 9606 4385 9620 4385 9637
4419 9637
TIME...MOT...LOC 1948Z 194DEG 28KT 4392 9626
WIND...HAIL 60MPH 1.25IN
$$
LAFLIN2 follow-up statements
394
WWUS53 KFSD 151958
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
258 PM CDT SUN APR 15 2012
MNC117-152015-
/O.CON.KFSD.SV.W.0006.000000T0000Z-120415T2015Z/
PIPESTONE MN-
258 PM CDT SUN APR 15 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR PIPESTONE
COUNTY UNTIL 315 PM CDT...
AT 259 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING WALNUT SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
PIPESTONE...MOVING NORTH AT 40 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
HOLLAND AROUND 305 PM CDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 4417 9606 4408 9606 4391 9616 4393 9636
4419 9637
TIME...MOT...LOC 1959Z 195DEG 34KT 4404 9621
WIND...HAIL 60MPH 1.50IN
$$
LAFLIN832
WWUS53 KFSD 152014
SVSFSD
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
314 PM CDT SUN APR 15 2012
MNC117-152024-
/O.EXP.KFSD.SV.W.0006.000000T0000Z-120415T2015Z/
PIPESTONE MN-
314 PM CDT SUN APR 15 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN PIPESTONE COUNTY HAS
BEEN REISSUED...
PLEASE REFER TO THAT BULLETIN FOR THE LATEST SEVERE WEATHER
INFORMATION.
LAT...LON 4417 9606 4408 9606 4391 9616 4393 9636
4419 9637
TIME...MOT...LOC 2014Z 195DEG 34KT 4418 9616
$$
LAFLINThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 3:05 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Lyon, Murray, Pipestone | 25 min |
| Apr 15, 3:38 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Lyon | 37 min |
| Apr 15, 3:41 PM CDT | Tornado Warning | FSD | Lyon | 19 min |
| Apr 15, 4:14 PM CDT | Tornado Warning | FSD | Lyon | 16 min |
| Apr 15, 5:10 PM CDT | High Wind Warning | FSD | Lincoln, Pipestone, Rock | 11 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.