Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 97, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 7, 2008, 8:29 AM CDT for Freeborn County, Minnesota. It was in force for 46 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
- Jun 7, 2008, 8:29 AM CDT (13:29 UTC)
- Expired
- Jun 7, 2008, 9:15 AM CDT
- In force
- 46 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
County Freeborn County, MN
The radar
The Minneapolis radar (KMPX), 130 km from the middle of the area, began a volume at 13:32 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 |
|---|---|---|---|
| Jun 7, 8:40 AM CDT | HAIL 0.88 | 1 N Albert Lea, MN | PEA TO NICKEL SIZE HAIL. |
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, 1.5 hours before the alert went out and 130 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
- 131 J/kg
- Mixed-layer CIN
- -253 J/kg
- Mixed-layer LCL
- 1341 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 318 m²/s²
- 0-3 km storm-relative helicity
- 357 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 071330 SVRMPX MNC047-071415- /O.NEW.KMPX.SV.W.0097.080607T1329Z-080607T1415Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 829 AM CDT SAT JUN 7 2008 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA... * UNTIL 915 AM CDT * AT 827 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS... CAPABLE OF PRODUCING NICKEL SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 7 MILES NORTHWEST OF CLARKS GROVE TO TWIN LAKES...AND MOVING EAST AT 59 MPH. * SOME LOCATIONS INCLUDE... ALBERT LEA... CLARKS GROVE... GLENVILLE... GENEVA... HOLLANDALE... MYRTLE... INTERSTATE 90 EAST OF ALDEN... THIS STORM PRODUCED NICKEL SIZED HAIL 4 MILES WEST OF FROST IN FARIBAULT COUNTY. IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR DAMAGING WINDS AND LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. REPORT ANY SIGNIFICANT WIND OR HAIL DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE. LAT...LON 4383 9307 4352 9308 4351 9348 4384 9349 TIME...MOT...LOC 1329Z 269DEG 52KT 4382 9342 4357 9342 $$ KAT
1 follow-up statement
000 WWUS53 KMPX 071407 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 906 AM CDT SAT JUN 7 2008 MNC047-071416- /O.EXP.KMPX.SV.W.0097.000000T0000Z-080607T1415Z/ FREEBORN MN- 906 AM CDT SAT JUN 7 2008 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN FREEBORN COUNTY EXPIRES AT 915 AM CDT... SEVERE STORMS HAVE MOVED OUT OF COUNTY. HOWEVER...MORE THUNDERSTORMS WILL BE POSSIBLE LATER TODAY. REMAIN ALERT FOR POSSIBLE ADDITIONAL SEVERE WEATHER LATER THIS AFTERNOON AND EVENING. PLEASE REPORT ANY SEVERE WEATHER TO LOCAL LAW ENFORCEMENT FOR RELAY TO THE NATIONAL WEATHER SERVICE. LAT...LON 4383 9307 4352 9308 4351 9348 4384 9349 TIME...MOT...LOC 1406Z 269DEG 52KT 4383 9268 4358 9268 $$ KAT
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 4:15 AM CDT | Flash Flood Watch | MPX | Blue Earth, Brown, Faribault, Freeborn, Goodhue, Le Sueur and 6 more | 31 hr |
| Jun 7, 7:08 AM CDT | Severe Thunderstorm Warning | MPX | Martin, Watonwan | 47 min |
| Jun 7, 7:58 AM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 42 min |
| Jun 7, 8:32 AM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 43 min |
| Jun 7, 8:51 AM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 43 min |
| Jun 7, 3:39 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 66 min |
| Jun 7, 3:55 PM CDT | Tornado Warning | MPX | Freeborn | 50 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2008Every severe thunderstorm warning in 2008
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.