Alert archive / Minnesota / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 110, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 7, 2013, 7:10 PM CDT for Washington County, Minnesota. It was in force for 50 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
- Jul 7, 2013, 7:10 PM CDT (00:10 UTC)
- Expired
- Jul 7, 2013, 8:00 PM CDT
- In force
- 50 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Washington County, MN
The radar
The Minneapolis radar (KMPX), 70 km from the middle of the area, began a volume at 00:10 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 7, 7:22 PM CDT | HAIL 1.75 | 3 N Hugo, MN | QUARTER SIZE TO GOLF BALL SIZE HAIL REPORTED TO NWS VIA TWITTER. |
| Jul 7, 7:28 PM CDT | HAIL 1 | 6 Se Forest Lake, MN | SEVERAL SMALL BRANCHES ALSO BLOWN DOWN. |
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, 0.2 hours before the alert went out and 73 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
- 1851 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 1349 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
097
WUUS53 KMPX 080010
SVRMPX
MNC163-080100-
/O.NEW.KMPX.SV.W.0110.130708T0010Z-130708T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
710 PM CDT SUN JUL 7 2013
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA...
* UNTIL 800 PM CDT
* AT 705 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR FOREST
LAKE...AND MOVING SOUTHEAST AT 15 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...DAMAGE TO VEHICLES IS EXPECTED.
* LOCATIONS IMPACTED INCLUDE...
SCANDIA...OTISVILLE AND MARINE ON ST CROIX.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WIND GUSTS TO 45 MPH ARE ALSO POSSIBLE WITH THIS STORM.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4527 9275 4519 9277 4517 9275 4515 9276
4511 9274 4508 9278 4518 9302 4530 9301
4530 9288
TIME...MOT...LOC 0010Z 293DEG 13KT 4521 9294
HAIL...1.00IN
WIND...<50MPH
$$5 follow-up statements
613
WWUS53 KMPX 080020
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
720 PM CDT SUN JUL 7 2013
MNC163-080100-
/O.CON.KMPX.SV.W.0110.000000T0000Z-130708T0100Z/
WASHINGTON MN-
720 PM CDT SUN JUL 7 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
WASHINGTON COUNTY UNTIL 800 PM CDT...
AT 719 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES SOUTHEAST
OF FOREST LAKE...AND MOVING SOUTHEAST AT 15 MPH.
HAZARD...HALF DOLLAR SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING AND TREES.
LOCATIONS IMPACTED INCLUDE...
SCANDIA...OTISVILLE AND MARINE ON ST CROIX.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4527 9276 4519 9277 4517 9275 4515 9276
4511 9274 4508 9278 4518 9302 4524 9299
4530 9288
TIME...MOT...LOC 0020Z 293DEG 13KT 4520 9289
HAIL...1.25IN
WIND...60MPH
$$861
WWUS53 KMPX 080025
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
725 PM CDT SUN JUL 7 2013
MNC163-080100-
/O.CON.KMPX.SV.W.0110.000000T0000Z-130708T0100Z/
WASHINGTON MN-
725 PM CDT SUN JUL 7 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
WASHINGTON COUNTY UNTIL 800 PM CDT...
AT 723 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES SOUTHEAST
OF FOREST LAKE...AND MOVING SOUTHEAST AT 15 MPH.
HAZARD...HALF DOLLAR SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING AND TREES.
LOCATIONS IMPACTED INCLUDE...
SCANDIA AND MARINE ON ST CROIX.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4508 9278 4518 9301 4523 9297 4527 9289
4524 9277 4519 9277 4517 9275 4515 9276
4511 9274
TIME...MOT...LOC 0026Z 293DEG 13KT 4519 9286
HAIL...1.25IN
WIND...60MPH
$$916
WWUS53 KMPX 080038
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
738 PM CDT SUN JUL 7 2013
MNC163-080100-
/O.CON.KMPX.SV.W.0110.000000T0000Z-130708T0100Z/
WASHINGTON MN-
738 PM CDT SUN JUL 7 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN
WASHINGTON COUNTY UNTIL 800 PM CDT...
AT 737 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES NORTH OF
STILLWATER...AND MOVING SOUTHEAST AT 15 MPH.
HAZARD...HALF DOLLAR SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING AND TREES.
LOCATIONS IMPACTED INCLUDE...
MARINE ON ST CROIX.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4519 9277 4517 9275 4515 9276 4511 9274
4508 9278 4516 9296 4522 9294 4524 9288
4524 9277
TIME...MOT...LOC 0039Z 293DEG 13KT 4516 9282
HAIL...1.25IN
WIND...60MPH
$$359
WWUS53 KMPX 080047
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
747 PM CDT SUN JUL 7 2013
MNC163-080100-
/O.CON.KMPX.SV.W.0110.000000T0000Z-130708T0100Z/
WASHINGTON MN-
747 PM CDT SUN JUL 7 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
WASHINGTON COUNTY UNTIL 800 PM CDT...
AT 747 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES NORTH OF
STILLWATER...AND MOVING SOUTHEAST AT 15 MPH.
HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.
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 EASTERN WASHINGTON COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4522 9279 4517 9275 4515 9276 4511 9274
4508 9278 4515 9294 4521 9291 4522 9286
TIME...MOT...LOC 0047Z 293DEG 13KT 4514 9279
HAIL...1.00IN
WIND...60MPH
$$655
WWUS53 KMPX 080056
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
756 PM CDT SUN JUL 7 2013
MNC163-080106-
/O.EXP.KMPX.SV.W.0110.000000T0000Z-130708T0100Z/
WASHINGTON MN-
756 PM CDT SUN JUL 7 2013
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WASHINGTON COUNTY WILL
EXPIRE AT 800 PM CDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
HOWEVER...SMALL HAIL AND GUSTY WINDS ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.
LAT...LON 4522 9279 4517 9275 4515 9276 4511 9274
4508 9278 4515 9294 4521 9291 4522 9286
TIME...MOT...LOC 0056Z 293DEG 13KT 4513 9275
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 7:37 PM CDT | Special Weather Statement | MPX | Brown | 68 min |
| Jul 7, 7:54 PM CDT | Special Weather Statement | MPX | Nicollet | 66 min |
| Jul 7, 8:26 PM CDT | Special Weather Statement | MPX | Goodhue | 64 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2013Every severe thunderstorm warning in 2013
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.