Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 67, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 21, 2014, 10:33 PM CDT for Douglas County, Pope County, Minnesota. It was in force for 42 min. 4 reports 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 21, 2014, 10:33 PM CDT (03:33 UTC)
- Expired
- Jul 21, 2014, 11:15 PM CDT
- In force
- 42 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 70.0 mph
Counties Douglas County, MN, Pope County, MN
The radar
The Minneapolis radar (KMPX), 177 km from the middle of the area, began a volume at 03:33 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 21, 10:57 PM CDT | TSTM WND GST 55 | Alexandria Airport, MN | |
| Jul 21, 11:06 PM CDT | TSTM WND GST 59 | 3 Sse Alexandria, MN | MNDOT SENSOR ALONG I-94 |
| Jul 21, 11:13 PM CDT | TSTM WND DMG | 2 Wnw Glenwood, MN | WHEAT CROP BLOWN DOWN. |
| Jul 21, 11:14 PM CDT | TSTM WND GST 49 | Glenwood Airport, MN |
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 |
|---|---|---|---|
| Jul 21, 9:24 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 3.6 hours before the alert went out and 175 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
- 3298 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1091 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 5.7
The text
As transmitted, in the capitals the NWS used until 2016.
319
WUUS53 KMPX 220333
SVRMPX
MNC041-121-220415-
/O.NEW.KMPX.SV.W.0067.140722T0333Z-140722T0415Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1033 PM CDT MON JUL 21 2014
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA...
NORTHERN POPE COUNTY IN WEST CENTRAL MINNESOTA...
* UNTIL 1115 PM CDT
* AT 1031 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES WEST OF
HOFFMAN...AND MOVING EAST AT 60 MPH.
HAZARD...70 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE
TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
ROOFS AND OUTBUILDINGS.
* LOCATIONS IMPACTED INCLUDE...
LAKE MINNEWASKA...GLENWOOD...ALEXANDRIA...KENSINGTON...FARWELL...
HOLMES CITY...STARBUCK...LOWRY...LONG BEACH...ALEXANDRIA AIRPORT...
FORADA...GLENWOOD AIRPORT...NELSON...VILLARD...SEDAN...GROVE
LAKE...WESTPORT AND OSAKIS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4594 9515 4556 9514 4563 9575 4590 9577
TIME...MOT...LOC 0333Z 271DEG 53KT 4579 9591
HAIL...1.25IN
WIND...70MPH
$$
BORGHOFF1 follow-up statement
743
WWUS53 KMPX 220403
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1103 PM CDT MON JUL 21 2014
MNC041-121-220415-
/O.CON.KMPX.SV.W.0067.000000T0000Z-140722T0415Z/
DOUGLAS MN-POPE MN-
1103 PM CDT MON JUL 21 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN POPE
AND SOUTHERN DOUGLAS COUNTIES UNTIL 1115 PM CDT...
AT 1101 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES SOUTH OF
ALEXANDRIA...AND MOVING EAST AT 40 MPH.
HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE
TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
ROOFS AND OUTBUILDINGS.
LOCATIONS IMPACTED INCLUDE...
FORADA...GLENWOOD AIRPORT...NELSON...VILLARD...SEDAN...WESTPORT...
OSAKIS AND GROVE LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4591 9560 4594 9515 4556 9514 4563 9575
4572 9576
TIME...MOT...LOC 0403Z 272DEG 35KT 4578 9539
HAIL...1.00IN
WIND...70MPH
$$
BORGHOFFThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 10:13 PM CDT | Severe Thunderstorm Warning | MPX | Stevens | 47 min |
| Jul 21, 11:08 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope, Stearns, Todd | 67 min |
| Jul 21, 11:36 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Morrison, Stearns | 39 min |
| Jul 22, 12:11 AM CDT | Special Weather Statement | MPX | Benton, Isanti, Kanabec, Mille Lacs | 79 min |
| Jul 22, 12:47 AM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs | 58 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2014Every severe thunderstorm warning in 2014
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.