Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 60, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 29, 2015, 8:39 PM CDT for Dakota County, Minnesota. It was in force for 18 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 29, 2015, 8:39 PM CDT (01:39 UTC)
- Expired
- Jun 29, 2015, 8:57 PM CDT
- In force
- 18 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 50.0 mph
County Dakota County, MN
The radar
The Minneapolis radar (KMPX), 38 km from the middle of the area, began a volume at 01:39 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 29, 1:57 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.7 hours before the alert went out and 41 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
- 813 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 1463 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 173 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 9.7
The text
As transmitted, in the capitals the NWS used until 2016.
596
WUUS53 KMPX 300139
SVRMPX
MNC037-300215-
/O.NEW.KMPX.SV.W.0060.150630T0139Z-150630T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
839 PM CDT MON JUN 29 2015
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
* UNTIL 915 PM CDT
* AT 839 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER SOUTH ST
PAUL AIRPORT...OR NEAR ST. PAUL...MOVING SOUTHEAST AT 35 MPH.
HAZARD...PING PONG BALL SIZE HAIL.
SOURCE...TRAINED WEATHER SPOTTERS.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT
DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES.
* THIS SEVERE THUNDERSTORM WILL BE NEAR...
APPLE VALLEY...COTTAGE GROVE AND INVER GROVE HEIGHTS AROUND 845 PM
CDT.
ROSEMOUNT AROUND 850 PM CDT.
FARMINGTON AROUND 900 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE SUNFISH
LAKE...SOUTH ST PAUL AIRPORT...COATES...FORT SNELLING STATE PARK...
SUNFISH...MENDOTA AND VERMILLION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4482 9324 4487 9320 4491 9313 4481 9301
4478 9302 4477 9295 4470 9286 4463 9314
TIME...MOT...LOC 0139Z 327DEG 30KT 4486 9316
HAIL...1.50IN
WIND...<50MPH
$$
BORGHOFF1 follow-up statement
711
WWUS53 KMPX 300157
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
857 PM CDT MON JUN 29 2015
MNC037-300207-
/O.CAN.KMPX.SV.W.0060.000000T0000Z-150630T0215Z/
DAKOTA MN-
857 PM CDT MON JUN 29 2015
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL DAKOTA COUNTY IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
EAST CENTRAL MINNESOTA.
LAT...LON 4482 9324 4487 9320 4491 9313 4481 9301
4478 9302 4477 9295 4470 9286 4463 9314
TIME...MOT...LOC 0154Z 327DEG 30KT 4472 9303
$$
BORGHOFFThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 7:09 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin, Ramsey | 44 min |
| Jun 29, 7:16 PM CDT | Severe Thunderstorm Warning | MPX | Dakota | 29 min |
| Jun 29, 7:43 PM CDT | Special Weather Statement | MPX | Goodhue | 32 min |
| Jun 29, 8:05 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin | 55 min |
| Jun 29, 8:29 PM CDT | Special Weather Statement | MPX | Ramsey | 31 min |
| Jun 29, 8:41 PM CDT | Severe Thunderstorm Warning | MPX | Scott | 38 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2015Every severe thunderstorm warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.