Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 186, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 29, 2011, 3:16 PM CDT for Benton County, Morrison County, Minnesota. It was in force for 59 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
- Jul 29, 2011, 3:16 PM CDT (20:16 UTC)
- Expired
- Jul 29, 2011, 4:15 PM CDT
- In force
- 59 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Benton County, MN, Morrison County, MN
The radar
The Minneapolis radar (KMPX), 130 km from the middle of the area, began a volume at 20:16 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 |
|---|---|---|---|
| Jul 29, 3:19 PM CDT | HAIL 1 | 2 E Sobieski, MN |
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, 8.3 hours before the alert went out and 129 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
- 110 J/kg
- Mixed-layer CIN
- -114 J/kg
- Mixed-layer LCL
- 1336 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
693
WUUS53 KMPX 292016
SVRMPX
MNC009-097-292115-
/O.NEW.KMPX.SV.W.0186.110729T2016Z-110729T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
316 PM CDT FRI JUL 29 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN BENTON COUNTY IN CENTRAL MINNESOTA...
SOUTHERN MORRISON COUNTY IN CENTRAL MINNESOTA...
* UNTIL 415 PM CDT
* AT 312 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 SOBIESKI...OR ABOUT 5 MILES SOUTHWEST
OF LITTLE FALLS...AND MOVING EAST AT 20 MPH.
LOCATIONS IN THE WARNING INCLUDE...
LITTLE FALLS...
SOBIESKI...
ELMDALE...
UPSALA...
ROYALTON...
GENOLA...
PIERZ...
BUCKMAN...
LITTLE ROCK...
MORRILL...
HILLMAN...
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.
REPORT ANY SIGNIFICANT WIND OR HAIL DAMAGE TO THE NEAREST LAW
ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.
&&
LAT...LON 4601 9381 4577 9401 4579 9464 4592 9457
4606 9444
TIME...MOT...LOC 2016Z 290DEG 16KT 4593 9443
WIND...HAIL 60MPH 1.00IN
$$3 follow-up statements
190
WWUS53 KMPX 292032
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
332 PM CDT FRI JUL 29 2011
MNC009-097-292115-
/O.CON.KMPX.SV.W.0186.000000T0000Z-110729T2115Z/
BENTON MN-MORRISON MN-
332 PM CDT FRI JUL 29 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
MORRISON AND NORTHWESTERN BENTON COUNTIES UNTIL 415 PM CDT...
AT 330 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS
LOCATED NEAR LITTLE FALLS...MOVING EAST AT 20 MPH.
LOCATIONS IMPACTED INCLUDE...
ROYALTON...GENOLA...PIERZ...BUCKMAN...LITTLE ROCK...MORRILL AND
HILLMAN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN THE TWIN CITIES.
&&
LAT...LON 4593 9448 4602 9429 4601 9381 4577 9401
4579 9464
TIME...MOT...LOC 2032Z 290DEG 16KT 4591 9433
WIND...HAIL <50MPH 1.00IN
$$177
WWUS53 KMPX 292049
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
349 PM CDT FRI JUL 29 2011
MNC009-097-292115-
/O.CON.KMPX.SV.W.0186.000000T0000Z-110729T2115Z/
BENTON MN-MORRISON MN-
349 PM CDT FRI JUL 29 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL
MORRISON AND NORTHWESTERN BENTON COUNTIES UNTIL 415 PM CDT...
AT 344 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS
LOCATED NEAR ROYALTON...OR 9 MILES SOUTH OF LITTLE FALLS...MOVING
EAST AT 20 MPH.
LOCATIONS IMPACTED INCLUDE...
BUCKMAN...ROYALTON...LITTLE ROCK AND MORRILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN THE TWIN CITIES.
&&
LAT...LON 4591 9440 4597 9416 4594 9387 4577 9401
4579 9452
TIME...MOT...LOC 2049Z 290DEG 16KT 4585 9429
WIND...HAIL <50MPH 1.00IN
$$427
WWUS53 KMPX 292109
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
409 PM CDT FRI JUL 29 2011
MNC009-097-292124-
/O.EXP.KMPX.SV.W.0186.000000T0000Z-110729T2115Z/
BENTON MN-MORRISON MN-
409 PM CDT FRI JUL 29 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MORRISON AND
NORTHWESTERN BENTON COUNTIES WILL EXPIRE AT 415 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN THE TWIN CITIES.
LAT...LON 4591 9440 4597 9416 4594 9387 4577 9401
4579 9452
TIME...MOT...LOC 2109Z 290DEG 16KT 4582 9417
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 2:54 PM CDT | Special Weather Statement | MPX | Benton, Mille Lacs, Morrison | 81 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.