Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 266, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 10, 2007, 11:59 PM CDT for Douglas County, Minnesota. It was in force for 46 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
- Aug 10, 2007, 11:59 PM CDT (04:59 UTC)
- Expired
- Aug 11, 2007, 12:45 AM CDT
- In force
- 46 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Douglas County, MN
The radar
The Minneapolis radar (KMPX), 199 km from the middle of the area, began a volume at 05:00 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 11, 12:15 AM CDT | HAIL 1 | Millerville, MN | ALSO 4 INCH BRANCHES DOWN ALONG WITH SCATTERED LAWN FURNITURE. |
| Aug 11, 12:30 AM CDT | HAIL 1 | 5 W Belle River, MN | TIME IS ESTIMATED. HAIL WAS REPORTED AT LAKE CARLOS STATE PARK. |
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, 5.0 hours before the alert went out and 197 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
- 639 J/kg
- Mixed-layer CIN
- -156 J/kg
- Mixed-layer LCL
- 1768 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 110458 SVRMPX MNC041-110545- /O.NEW.KMPX.SV.W.0266.070811T0459Z-070811T0545Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1159 PM CDT FRI AUG 10 2007 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA... * UNTIL 1245 AM CDT * AT 1155 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR BRANDON...OR ABOUT 14 MILES NORTHWEST OF ALEXANDRIA...AND MOVING NORTHEAST AT 25 MPH. * LOCATIONS IMPACTED INCLUDE... GARFIELD... MILLERVILLE... LEAF VALLEY... CARLOS... MILTONA... BELLE RIVER... ROSE CITY... STAY INDOORS...AND AWAY FROM WINDOWS. LAT...LON 4610 9575 4585 9573 4589 9515 4611 9516 $$ KAT
2 follow-up statements
000 WWUS53 KMPX 110511 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1210 AM CDT SAT AUG 11 2007 MNC041-110545- /O.CON.KMPX.SV.W.0266.000000T0000Z-070811T0545Z/ DOUGLAS MN- 1210 AM CDT SAT AUG 11 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT FOR DOUGLAS COUNTY... AT 1208 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 4 MILES NORTH OF GARFIELD...OR ABOUT 5 MILES EAST OF BRANDON...AND MOVING NORTHEAST AT 25 MPH. ANOTHER SEVERE THUNDERSTORM WAS LOCATED JUST WEST OF ALEXANDRIA...AND ALSO MOVING NORTHEAST AT 25 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE ROSE CITY...MELBY...LEAF VALLEY...HOLMES...BELLE RIVER...OSAKIS...NELSON...MILTONA... MILLERVILLE AND GARFIELD. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. LAT...LON 4610 9575 4577 9573 4578 9515 4611 9516 $$ KAT
000 WWUS53 KMPX 110544 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1244 AM CDT SAT AUG 11 2007 MNC041-110554- /O.EXP.KMPX.SV.W.0266.000000T0000Z-070811T0545Z/ DOUGLAS MN- 1244 AM CDT SAT AUG 11 2007 ...THE SEVERE THUNDERSTORM WARNING FOR DOUGLAS COUNTY EXPIRES AT 1245 AM CDT... SEVERE STORMS HAD DECREASED IN INTENSITY AND MOVED OUT OF THE COUNTY. HOWEVER...MORE THUNDERSTORMS WERE LOCATED WEST OF THE AREA...SO REMAIN ALERT FOR POSSIBLE ADDITIONAL WARNINGS. PRIOR TO WEAKENING AND MOVING OUT OF THE COUNTY...QUARTER SIZE HAIL WAS REPORTED AT LAKE CARLOS STATE PARK. LAT...LON 4610 9575 4577 9573 4578 9515 4611 9516 $$ KAT
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 11:53 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 67 min |
| Aug 11, 12:16 AM CDT | Severe Thunderstorm Warning | MPX | Stevens | 59 min |
| Aug 11, 12:28 AM CDT | Severe Thunderstorm Warning | MPX | Swift | 62 min |
| Aug 11, 12:34 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi | 56 min |
| Aug 11, 12:52 AM CDT | Severe Thunderstorm Warning | MPX | Pope | 53 min |
| Aug 11, 1:07 AM CDT | Severe Thunderstorm Warning | MPX | Stearns | 53 min |
| Aug 11, 1:27 AM CDT | Severe Thunderstorm Warning | MPX | Douglas, Todd | 44 min |
| Aug 11, 1:34 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi, Swift | 56 min |
| Aug 11, 1:47 AM CDT | Severe Thunderstorm Warning | MPX | Morrison | 58 min |
| Aug 11, 1:54 AM CDT | Severe Thunderstorm Warning | MPX | Meeker | 66 min |
| Aug 11, 1:57 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Sherburne, Stearns, Wright | 63 min |
| Aug 11, 2:01 AM CDT | Severe Thunderstorm Warning | MPX | Renville | 59 min |
| Aug 11, 2:33 AM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod | 57 min |
| Aug 11, 2:44 AM CDT | Severe Thunderstorm Warning | MPX | Hennepin | 61 min |
| Aug 11, 2:53 AM CDT | Flash Flood Warning | MPX | Anoka, Hennepin, Ramsey | 3 hr |
| Aug 11, 2:53 AM CDT | Flash Flood Warning | MPX | Anoka, Dakota, Hennepin, Ramsey | 3 hr |
| Aug 11, 3:01 AM CDT | Severe Thunderstorm Warning | MPX | Wright | 29 min |
| Aug 11, 3:07 AM CDT | Flash Flood Warning | MPX | Wright | 113 min |
| Aug 11, 3:15 AM CDT | Severe Thunderstorm Warning | MPX | Sibley | 44 min |
| Aug 11, 3:27 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Ramsey, Washington | 63 min |
| Aug 11, 3:40 AM CDT | Flash Flood Warning | MPX | Scott | 65 min |
| Aug 11, 3:51 AM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 54 min |
| Aug 11, 4:39 AM CDT | Severe Thunderstorm Warning | MPX | Le Sueur | 39 min |
| Aug 11, 6:04 PM CDT | Severe Thunderstorm Warning | MPX | Meeker, Wright | 56 min |
| Aug 11, 6:39 PM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod | 66 min |
| Aug 11, 6:56 PM CDT | Severe Thunderstorm Warning | MPX | Wright | 49 min |
| Aug 11, 6:58 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin | 62 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.