Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 313, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 13, 2007, 9:45 PM CDT for Meeker County, Stearns County, Wright County, Minnesota. It was in force for 60 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
- Aug 13, 2007, 9:45 PM CDT (02:45 UTC)
- Expired
- Aug 13, 2007, 10:45 PM CDT
- In force
- 60 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Meeker County, MN, Stearns County, MN, Wright County, MN
The radar
The Minneapolis radar (KMPX), 76 km from the middle of the area, began a volume at 02:45 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 13, 10:15 PM CDT | HAIL 0.75 | 2 N Maple Lake, MN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 13, 6:59 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.8 hours before the alert went out and 74 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
- 2096 J/kg
- Mixed-layer CIN
- -245 J/kg
- Mixed-layer LCL
- 1133 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 263 m²/s²
- 0-3 km storm-relative helicity
- 409 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KMPX 140245
SVRMPX
MNC093-145-171-140345-
/O.NEW.KMPX.SV.W.0313.070814T0245Z-070814T0345Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
945 PM CDT MON AUG 13 2007
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
STEARNS COUNTY IN CENTRAL MINNESOTA...
WRIGHT COUNTY IN CENTRAL MINNESOTA...
MEEKER COUNTY IN CENTRAL MINNESOTA...
* UNTIL 1045 PM CDT
* AT 941 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED
ALONG A LINE EXTENDING FROM 20 MILES NORTHEAST OF WATKINS TO 10
MILES NORTHEAST OF WATKINS TO 17 MILES NORTHWEST OF WATKINS...AND
MOVING SOUTHEAST AT 35 MPH.
* LOCATIONS IMPACTED INCLUDE...
WATKINS...
MONTICELLO...
ANNANDALE...
BUFFALO...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
LAT...LON 4556 9426 4548 9440 4554 9487 4516 9425
4505 9380 4525 9363 4539 9402
$$1 follow-up statement
000
WWUS53 KMPX 140319
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1019 PM CDT MON AUG 13 2007
MNC093-145-171-140345-
/O.CON.KMPX.SV.W.0313.000000T0000Z-070814T0345Z/
STEARNS MN-WRIGHT MN-MEEKER MN-
1019 PM CDT MON AUG 13 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR MEEKER...WRIGHT AND STEARNS COUNTIES...
AT 1012 PM CDT...NICKEL SIZE HAIL WAS REPORTED IN CLEARWATER WITH
THIS STORM.
AT 1015 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 3 MILES NORTHEAST OF MONTICELLO TO 3 MILES SOUTHEAST
OF MAPLE LAKE TO 6 MILES SOUTH OF SOUTH HAVEN...AND MOVING SOUTHEAST
AT 50 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE ST NICHOLAS...ST AUGUSTA...
SILVER CREEK...RASSAT...LUXEMBURG...HASTY...FAIRHAVEN...ENFIELD...
WATKINS AND ST MICHAEL.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
LAT...LON 4556 9426 4548 9440 4554 9487 4516 9425
4505 9380 4525 9363 4539 9402
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 7:44 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs | 61 min |
| Aug 13, 7:57 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 18 min |
| Aug 13, 8:08 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec | 52 min |
| Aug 13, 8:17 PM CDT | Severe Thunderstorm Warning | MPX | Isanti, Sherburne | 58 min |
| Aug 13, 8:43 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago | 62 min |
| Aug 13, 8:47 PM CDT | Severe Thunderstorm Warning | MPX | Stearns, Todd | 58 min |
| Aug 13, 8:52 PM CDT | Tornado Warning | MPX | Anoka, Sherburne | 23 min |
| Aug 13, 9:15 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin, Ramsey, Washington | 60 min |
| Aug 13, 10:42 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin, Wright | 63 min |
| Aug 13, 10:46 PM CDT | Flash Flood Warning | MPX | Hennepin | 119 min |
| Aug 13, 11:30 PM CDT | Severe Thunderstorm Warning | MPX | Washington | 60 min |
| Aug 13, 11:37 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 53 min |
| Aug 13, 11:48 PM CDT | Flash Flood Warning | MPX | Dakota, Scott | 117 min |
| Aug 13, 11:51 PM CDT | Severe Thunderstorm Warning | MPX | Scott | 29 min |
| Aug 14, 12:26 AM CDT | Flash Flood Warning | MPX | Goodhue | 2 hr |
| Aug 14, 12:29 AM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 48 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2007Every severe thunderstorm warning in 2007
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.