Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 18, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 7, 2015, 8:25 PM CDT for Morrison County, Minnesota. It was in force for 35 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, 2015, 8:25 PM CDT (01:25 UTC)
- Expired
- Jun 7, 2015, 9:00 PM CDT
- In force
- 35 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Morrison County, MN
The radar
The Minneapolis radar (KMPX), 163 km from the middle of the area, began a volume at 01:25 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, 8:35 PM CDT | HAIL 1.75 | 2 N Randall, MN | PUBLIC REPORT OF GOLF BALL HAIL. TIME ESTIMATED FROM RADAR. |
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 00:00Z, 1.4 hours before the alert went out and 162 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
- 79 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 1746 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
936
WUUS53 KMPX 080125
SVRMPX
MNC097-080200-
/O.NEW.KMPX.SV.W.0018.150608T0125Z-150608T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
825 PM CDT SUN JUN 7 2015
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WEST CENTRAL MORRISON COUNTY IN CENTRAL MINNESOTA...
* UNTIL 900 PM CDT
* AT 825 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER CUSHING...OR
19 MILES NORTHWEST OF LITTLE FALLS...MOVING SOUTHEAST AT 35 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.
* THIS SEVERE THUNDERSTORM WILL BE NEAR...
RANDALL AROUND 845 PM CDT.
CAMP RIPLEY AROUND 850 PM CDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE CUSHING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.
&&
LAT...LON 4612 9427 4600 9449 4618 9466 4619 9464
4624 9464 4627 9460
TIME...MOT...LOC 0125Z 309DEG 29KT 4619 9462
HAIL...1.00IN
WIND...60MPH
$$
ADL1 follow-up statement
644
WWUS53 KMPX 080143
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
843 PM CDT SUN JUN 7 2015
MNC097-080200-
/O.CON.KMPX.SV.W.0018.000000T0000Z-150608T0200Z/
MORRISON MN-
843 PM CDT SUN JUN 7 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR WEST CENTRAL MORRISON COUNTY...
AT 842 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER RANDALL...OR 9
MILES NORTHWEST OF LITTLE FALLS...MOVING SOUTHEAST AT 35 MPH.
HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING AND TREES.
THIS SEVERE STORM WILL BE NEAR...
CAMP RIPLEY AROUND 850 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.
&&
LAT...LON 4602 9446 4614 9457 4620 9446 4612 9427
TIME...MOT...LOC 0142Z 309DEG 29KT 4610 9446
HAIL...1.00IN
WIND...60MPH
$$
ADLThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 7:00 PM CDT | Special Weather Statement | MPX | Dakota | 30 min |
| Jun 7, 7:25 PM CDT | Special Weather Statement | MPX | Blue Earth | 35 min |
| Jun 7, 8:20 PM CDT | Special Weather Statement | MPX | Mille Lacs | 40 min |
| Jun 7, 8:51 PM CDT | Special Weather Statement | MPX | Morrison | 24 min |
| Jun 7, 8:58 PM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs | 32 min |
| Jun 7, 9:14 PM CDT | Special Weather Statement | MPX | Benton | 31 min |
| Jun 7, 9:19 PM CDT | Special Weather Statement | MPX | Kanabec | 26 min |
| Jun 7, 9:35 PM CDT | Special Weather Statement | MPX | Mille Lacs | 25 min |
| Jun 7, 9:58 PM CDT | Special Weather Statement | MPX | Isanti, Sherburne | 32 min |
| Jun 7, 10:18 PM CDT | Special Weather Statement | MPX | Anoka, Chisago | 42 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.