Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 117, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 2, 2015, 8:40 AM CDT for Stearns County, Todd County, Minnesota. It was in force for 37 min. 3 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 2, 2015, 8:40 AM CDT (13:40 UTC)
- Expired
- Aug 2, 2015, 9:17 AM CDT
- In force
- 37 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 2.0 in
- Wind
- 60.0 mph
Counties Stearns County, MN, Todd County, MN
The radar
The Minneapolis radar (KMPX), 144 km from the middle of the area, began a volume at 13:43 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 2, 8:45 AM CDT | HAIL 1 | 4 W Long Prairie, MN | |
| Aug 2, 8:51 AM CDT | HAIL 1 | 4 Sw Long Prairie, MN | MOSTLY DIME SIZED AND NICKEL SIZED |
| Aug 2, 8:51 AM CDT | HAIL 1 | Long Prairie, MN | MOSTLY DIME SIZED AND NICKEL SIZED |
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, 1.7 hours before the alert went out and 142 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
- 938 J/kg
- Mixed-layer CIN
- -373 J/kg
- Mixed-layer LCL
- 1406 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
117
WUUS53 KMPX 021340
SVRMPX
MNC145-153-021430-
/O.NEW.KMPX.SV.W.0117.150802T1340Z-150802T1430Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
840 AM CDT SUN AUG 2 2015
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN STEARNS COUNTY IN CENTRAL MINNESOTA...
SOUTHERN TODD COUNTY IN CENTRAL MINNESOTA...
* UNTIL 930 AM CDT
* AT 840 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CLOTHO...OR
19 MILES EAST OF ALEXANDRIA...MOVING SOUTHEAST AT 45 MPH.
HAZARD...TWO INCH HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT
WIND DAMAGE TO ROOFS...SIDING AND TREES.
* THIS SEVERE THUNDERSTORM WILL BE NEAR...
LONG PRAIRIE AROUND 845 AM CDT.
SAUK CENTRE AND GREY EAGLE AROUND 900 AM CDT.
MELROSE AROUND 910 AM CDT.
ST. ANTHONY AND FREEPORT AROUND 920 AM CDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE LITTLE
SAUK...NORTH SHORE...WEST UNION...ROUND PRAIRIE...LONG PRAIRIE
AIRPORT...ST. ROSA...SAUK CENTRE AIRPORT...PLEASANT BEACH AND MEIRE
GROVE.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 116 AND 144.
U.S. HIGHWAY 71 BETWEEN MILE MARKERS 162 AND 187.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4564 9459 4564 9514 4598 9514 4599 9477
TIME...MOT...LOC 1340Z 329DEG 37KT 4599 9498
HAIL...2.00IN
WIND...60MPH
$$
RAH3 follow-up statements
043
WWUS53 KMPX 021348
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
848 AM CDT SUN AUG 2 2015
MNC145-153-021430-
/O.CON.KMPX.SV.W.0117.000000T0000Z-150802T1430Z/
STEARNS MN-TODD MN-
848 AM CDT SUN AUG 2 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM CDT
FOR NORTHWESTERN STEARNS AND SOUTHERN TODD COUNTIES...
AT 848 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ROUND
PRAIRIE...OR 20 MILES EAST OF ALEXANDRIA...MOVING SOUTHEAST AT 40
MPH.
HAZARD...GOLF BALL SIZE HAIL.
SOURCE...TRAINED WEATHER SPOTTERS.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT DAMAGE
TO ROOFS...SIDING...WINDOWS AND VEHICLES.
THIS SEVERE STORM WILL BE NEAR...
SAUK CENTRE AND GREY EAGLE AROUND 905 AM CDT.
MELROSE AROUND 915 AM CDT.
ST. ANTHONY AROUND 920 AM CDT.
FREEPORT AROUND 925 AM CDT.
OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE LITTLE
SAUK...NORTH SHORE...WEST UNION...ROUND PRAIRIE...LONG PRAIRIE
AIRPORT...ST. ROSA...SAUK CENTRE AIRPORT...PLEASANT BEACH AND MEIRE
GROVE.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 116 AND 144.
U.S. HIGHWAY 71 BETWEEN MILE MARKERS 162 AND 187.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4564 9459 4564 9514 4598 9514 4599 9477
TIME...MOT...LOC 1348Z 329DEG 35KT 4593 9494
HAIL...1.75IN
WIND...<50MPH
$$
RAH227 WWUS53 KMPX 021405 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 905 AM CDT SUN AUG 2 2015 MNC145-153-021430- /O.CON.KMPX.SV.W.0117.000000T0000Z-150802T1430Z/ STEARNS MN-TODD MN- 905 AM CDT SUN AUG 2 2015 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 AM CDT FOR NORTHWESTERN STEARNS AND SOUTHEASTERN TODD COUNTIES... AT 905 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR GREY EAGLE... OR 25 MILES SOUTHWEST OF LITTLE FALLS...MOVING SOUTH AT 25 MPH. HAZARD...QUARTER SIZE HAIL. SOURCE...TRAINED WEATHER SPOTTERS. IMPACT...DAMAGE TO VEHICLES IS EXPECTED. THIS SEVERE STORM WILL BE NEAR... MELROSE AROUND 925 AM CDT. ST. ANTHONY AND FREEPORT AROUND 930 AM CDT. OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE LITTLE SAUK...NORTH SHORE...ROUND PRAIRIE...LONG PRAIRIE AIRPORT...ST. ROSA...SAUK CENTRE AIRPORT...PLEASANT BEACH AND MEIRE GROVE. THIS INCLUDES THE FOLLOWING HIGHWAYS... INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 125 AND 144. U.S. HIGHWAY 71 BETWEEN MILE MARKERS 162 AND 187. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4564 9459 4564 9503 4599 9488 4599 9477 TIME...MOT...LOC 1405Z 337DEG 21KT 4581 9484 HAIL...1.00IN WIND...<50MPH $$ RAH
453
WWUS53 KMPX 021417
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
917 AM CDT SUN AUG 2 2015
MNC145-153-021427-
/O.CAN.KMPX.SV.W.0117.000000T0000Z-150802T1430Z/
STEARNS MN-TODD MN-
917 AM CDT SUN AUG 2 2015
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN STEARNS AND
SOUTHEASTERN TODD COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 4564 9459 4564 9503 4599 9488 4599 9477
TIME...MOT...LOC 1416Z 329DEG 37KT 4570 9475
$$
RAHThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 12:33 AM CDT | Special Weather Statement | MPX | Brown | 27 min |
| Aug 2, 1:02 AM CDT | Special Weather Statement | MPX | Blue Earth | 58 min |
| Aug 2, 2:00 AM CDT | Special Weather Statement | MPX | Waseca | 60 min |
| Aug 2, 4:20 AM CDT | Special Weather Statement | MPX | Kanabec | 25 min |
| Aug 2, 8:01 AM CDT | Special Weather Statement | MPX | Douglas, Todd | 59 min |
| Aug 2, 8:13 AM CDT | Severe Thunderstorm Warning | MPX | Douglas, Todd | 32 min |
| Aug 2, 9:37 AM CDT | Special Weather Statement | MPX | Stearns | 23 min |
| Aug 2, 11:05 AM CDT | Special Weather Statement | MPX | Isanti, Sherburne | 40 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.