Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 81, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 18, 2014, 6:35 PM CDT for Blue Earth County, Faribault County, Waseca County, Minnesota. It was in force for 40 min. 2 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
- Aug 18, 2014, 6:35 PM CDT (23:35 UTC)
- Expired
- Aug 18, 2014, 7:15 PM CDT
- In force
- 40 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Blue Earth County, MN, Faribault County, MN, Waseca County, MN
The radar
The Minneapolis radar (KMPX), 112 km from the middle of the area, began a volume at 23:37 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 |
|---|---|---|---|
| Aug 18, 6:35 PM CDT | HAIL 0.88 | Mapleton, MN | |
| Aug 18, 6:55 PM CDT | TSTM WND DMG | 7 Ese Mapleton, MN | TREE REPORTED DOWN JUST NORTH OF MINNESOTA LAKE, MN VIA TWITTER. |
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, 11.6 hours before the alert went out and 112 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
- 1122 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 700 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
514
WUUS53 KMPX 182335
SVRMPX
MNC013-043-161-190015-
/O.NEW.KMPX.SV.W.0081.140818T2335Z-140819T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
635 PM CDT MON AUG 18 2014
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA...
NORTHEASTERN FARIBAULT COUNTY IN SOUTH CENTRAL MINNESOTA...
SOUTHWESTERN WASECA COUNTY IN SOUTH CENTRAL MINNESOTA...
* UNTIL 715 PM CDT
* AT 632 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 18 MILES SOUTH OF
MANKATO...AND MOVING EAST AT 25 MPH.
HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING AND TREES.
* THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF
NORTHEASTERN FARIBAULT...SOUTHEASTERN BLUE EARTH AND SOUTHWESTERN
WASECA COUNTIES...INCLUDING THE FOLLOWING LOCATIONS...MINNESOTA
LAKE AND WALDORF.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4382 9407 4399 9398 4396 9361 4385 9365
4377 9365 4377 9366
TIME...MOT...LOC 2335Z 277DEG 21KT 4390 9391
HAIL...1.25IN
WIND...60MPH
$$2 follow-up statements
695
WWUS53 KMPX 190000
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
700 PM CDT MON AUG 18 2014
MNC013-043-161-190015-
/O.CON.KMPX.SV.W.0081.000000T0000Z-140819T0015Z/
FARIBAULT MN-WASECA MN-BLUE EARTH MN-
700 PM CDT MON AUG 18 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
BLUE EARTH...SOUTHWESTERN WASECA AND NORTHEASTERN FARIBAULT COUNTIES
UNTIL 715 PM CDT...
AT 659 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 17 MILES SOUTHWEST
OF WASECA...AND MOVING EAST AT 25 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING AND TREES.
LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF SOUTHWEST WASECA COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4382 9395 4395 9389 4396 9361 4385 9365
4378 9365 4377 9366 4377 9367
TIME...MOT...LOC 0000Z 277DEG 21KT 4388 9371
HAIL...1.00IN
WIND...60MPH
$$343
WWUS53 KMPX 190008
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
708 PM CDT MON AUG 18 2014
MNC013-043-161-190018-
/O.EXP.KMPX.SV.W.0081.000000T0000Z-140819T0015Z/
FARIBAULT MN-WASECA MN-BLUE EARTH MN-
708 PM CDT MON AUG 18 2014
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BLUE EARTH...
SOUTHWESTERN WASECA AND NORTHEASTERN FARIBAULT COUNTIES WILL EXPIRE
AT 715 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...HEAVY RAIN IS STILL POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 4382 9395 4395 9389 4396 9361 4385 9365
4378 9365 4377 9366 4377 9367
TIME...MOT...LOC 0008Z 277DEG 21KT 4387 9365
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 12:36 AM CDT | Special Weather Statement | MPX | Freeborn | 54 min |
| Aug 18, 1:32 AM CDT | Dense Fog Advisory | MPX | Benton, Chippewa, Douglas, Kandiyohi, Lac qui Parle, Meeker and 9 more | 7 hr |
| Aug 18, 6:29 AM CDT | Special Weather Statement | MPX | Todd | 46 min |
| Aug 18, 4:42 PM CDT | Special Weather Statement | MPX | Pope | 63 min |
| Aug 18, 6:07 PM CDT | Special Weather Statement | MPX | Martin | 38 min |
| Aug 18, 6:32 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Martin | 28 min |
| Aug 18, 6:56 PM CDT | Severe Thunderstorm Warning | MPX | Faribault | 34 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.