Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 70, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at May 5, 2012, 11:49 AM CDT for Jackson County, Nobles County, Minnesota. It was in force for 41 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 5, 2012, 11:49 AM CDT (16:49 UTC)
- Expired
- May 5, 2012, 12:30 PM CDT
- In force
- 41 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 58.0 mph
Counties Jackson County, MN, Nobles County, MN
The radar
The Sioux Falls radar (KFSD), 93 km from the middle of the area, began a volume at 16:52 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 5, 11:58 AM CDT | HAIL 1.25 | Rushmore, MN | LOTS OF PEA TO MARBLE SIZE HAIL, BUT THERE ARE A FEW PIECES UP TO A QUARTER AND HALF DOLLAR SIZE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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 5, 6:49 AM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 4.8 hours before the alert went out and 206 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
- 480 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 174 m²/s²
- 0-3 km storm-relative helicity
- 217 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
883 WUUS53 KFSD 051649 SVRFSD MNC063-105-051730- /O.NEW.KFSD.SV.W.0070.120505T1649Z-120505T1730Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 1149 AM CDT SAT MAY 5 2012 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN JACKSON COUNTY IN SOUTHWEST MINNESOTA... SOUTHERN NOBLES COUNTY IN SOUTHWEST MINNESOTA... * UNTIL 1230 PM CDT * AT 1148 AM CDT...LOCAL LAW ENFORCEMENT REPORTED A SEVERE THUNDERSTORM PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR ADRIAN...OR 14 MILES EAST OF LUVERNE...AND MOVING EAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... RUSHMORE AROUND 1155 AM CDT... WORTHINGTON AROUND 1210 PM CDT... BREWSTER AND ROUND LAKE AROUND 1220 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 4375 9529 4350 9528 4351 9601 4375 9601 TIME...MOT...LOC 1648Z 271DEG 35KT 4363 9587 WIND...HAIL <58MPH 1.00IN $$ HANKO
2 follow-up statements
867 WWUS53 KFSD 051701 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1201 PM CDT SAT MAY 5 2012 MNC063-105-051730- /O.CON.KFSD.SV.W.0070.000000T0000Z-120505T1730Z/ JACKSON MN-NOBLES MN- 1201 PM CDT SAT MAY 5 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN NOBLES AND SOUTHWESTERN JACKSON COUNTIES UNTIL 1230 PM CDT... AT 1201 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL. THIS STORM WAS LOCATED NEAR RUSHMORE...OR 8 MILES WEST OF WORTHINGTON...MOVING EAST AT 40 MPH. IN ADDITION...AT 1159 AM CDT HALF DOLLAR SIZED HAIL WAS REPORTED IN RUSHMORE WITH THIS STORM. THE SEVERE THUNDERSTORM WILL BE NEAR... WORTHINGTON AROUND 1210 PM CDT... BREWSTER AND ROUND LAKE AROUND 1220 PM CDT... PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4375 9581 4375 9529 4350 9528 4351 9584 TIME...MOT...LOC 1701Z 271DEG 35KT 4363 9570 WIND...HAIL <58MPH 1.25IN $$ HANKO
558 WWUS53 KFSD 051723 SVSFSD SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1223 PM CDT SAT MAY 5 2012 MNC063-105-051732- /O.EXP.KFSD.SV.W.0070.000000T0000Z-120505T1730Z/ JACKSON MN-NOBLES MN- 1223 PM CDT SAT MAY 5 2012 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN NOBLES AND SOUTHWESTERN JACKSON COUNTIES WILL EXPIRE AT 1230 PM CDT... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY...HOWEVER SMALL HAIL IS STILL POSSIBLE WITH THIS THUNDERSTORM. LAT...LON 4375 9581 4375 9529 4350 9528 4351 9584 TIME...MOT...LOC 1722Z 271DEG 35KT 4363 9542 $$ HANKO
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 10:25 AM CDT | Severe Thunderstorm Warning | FSD | Pipestone | 35 min |
| May 5, 10:42 AM CDT | Severe Thunderstorm Warning | FSD | Rock | 48 min |
| May 5, 11:23 AM CDT | Severe Thunderstorm Warning | FSD | Nobles, Rock | 37 min |
| May 5, 12:14 PM CDT | Flash Flood Warning | FSD | Cottonwood, Jackson | 3 hr |
| May 5, 12:40 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln | 23 min |
| May 5, 3:06 PM CDT | Flash Flood Watch | FSD | Cottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 2 more | 13 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.