Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 326, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 27, 2007, 1:47 AM CDT for Dakota County, Hennepin County, Ramsey County, Minnesota. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 27, 2007, 1:47 AM CDT (06:47 UTC)
- Expired
- Aug 27, 2007, 2:30 AM CDT
- In force
- 43 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Dakota County, MN, Hennepin County, MN, Ramsey County, MN
The radar
The Minneapolis radar (KMPX), 29 km from the middle of the area, began a volume at 06:48 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.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 6.8 hours before the alert went out and 32 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
- 152 J/kg
- Mixed-layer CIN
- -334 J/kg
- Mixed-layer LCL
- 1362 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 213 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 270648
SVRMPX
MNC037-053-123-270730-
/O.NEW.KMPX.SV.W.0326.070827T0647Z-070827T0730Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
147 AM CDT MON AUG 27 2007
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
RAMSEY COUNTY IN EAST CENTRAL MINNESOTA...
NORTHERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
* UNTIL 230 AM CDT
* AT 143 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 4
MILES SOUTHWEST OF BLOOMINGTON...OR ABOUT 13 MILES SOUTHWEST OF
MINNEAPOLIS...AND MOVING EAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
BLOOMINGTON...
BURNSVILLE...
RICHFIELD...
EAGAN...
ST PAUL...
WEST ST PAUL...
SOUTH ST PAUL...
MAPLEWOOD...
THE MINNEAPOLIS INTERNATIONAL AIRPORT...
STAY INDOORS...AND AWAY FROM WINDOWS.
LAT...LON 4484 9335 4475 9332 4477 9303 4486 9302
4501 9298 4499 9311 4496 9318 4494 9323
4491 9329 4487 9336
$$3 follow-up statements
000
WWUS53 KMPX 270658
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
156 AM CDT MON AUG 27 2007
MNC037-053-123-270730-
/O.CON.KMPX.SV.W.0326.000000T0000Z-070827T0730Z/
HENNEPIN MN-RAMSEY MN-DAKOTA MN-
156 AM CDT MON AUG 27 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR NORTHERN DAKOTA...RAMSEY AND HENNEPIN COUNTIES...
AT 152 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL. THIS
STORM WAS LOCATED NEAR THE MINNEAPOLIS ST PAUL INTERNATIONAL
AIRPORT...AND MOVING NORTHEAST AT 25 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE SUNFISH...MENDOTA...
LILYDALE...WEST ST PAUL...ST PAUL...SOUTH ST PAUL...NORTH ST
PAUL...MENDOTA HEIGHTS...AND MAPLEWOOD.
INTERSTATES 35...94...AND 494 IN THE WARNED COUNTIES ARE ALSO IN THE
PATH OF THIS STORM.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING.
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG
BUILDING BUT AWAY FROM WINDOWS.
LAT...LON 4489 9331 4480 9325 4483 9305 4487 9302
4494 9300 4503 9299 4499 9312 4494 9323
$$000
WWUS53 KMPX 270713
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
212 AM CDT MON AUG 27 2007
MNC037-053-270722-
/O.CAN.KMPX.SV.W.0326.000000T0000Z-070827T0730Z/
HENNEPIN MN-DAKOTA MN-
212 AM CDT MON AUG 27 2007
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN DAKOTA AND HENNEPIN
COUNTIES IS CANCELLED...
THE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED INTO RAMSEY
COUNTY. CONTINUE TO MONITOR FOR FUTURE WARNINGS THROUGH THE
OVERNIGHT HOURS.
LAT...LON 4496 9315 4492 9308 4493 9300 4500 9298
4508 9298 4505 9306 4501 9314
$$
MNC123-270730-
/O.CON.KMPX.SV.W.0326.000000T0000Z-070827T0730Z/
RAMSEY MN-
212 AM CDT MON AUG 27 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT
FOR RAMSEY COUNTY...
AT 209 AM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM
WAS LOCATED 4 MILES SOUTHWEST OF MAPLEWOOD...OR ABOUT OVER WEST
ST PAUL...AND MOVING NORTHEAST AT 30 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE GEM LAKE...WHITE BEAR
LAKE...ST PAUL...NORTH ST PAUL...MAPLEWOOD...LITTLE CANADA...AND
INTERSTATES 94...35E...AND 494 IN RAMSEY COUNTY.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING.
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A
BUILDING BUT AWAY FROM WINDOWS.
LAT...LON 4496 9315 4492 9308 4493 9300 4500 9298
4508 9298 4505 9306 4501 9314
$$000
WWUS53 KMPX 270728
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
227 AM CDT MON AUG 27 2007
MNC123-270737-
/O.EXP.KMPX.SV.W.0326.000000T0000Z-070827T0730Z/
RAMSEY MN-
227 AM CDT MON AUG 27 2007
...THE SEVERE THUNDERSTORM WARNING FOR RAMSEY COUNTY EXPIRES AT 230
AM CDT...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
THUS THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER...MORE
THUNDERSTORMS WERE DEVELOPING IN THE AREA...REMAIN ALERT FOR
POSSIBLE ADDITIONAL WARNINGS.
REPORT ANY SEVERE WEATHER TO YOUR LOCAL LAW ENFORCEMENT FOR RELAY TO
THE NATIONAL WEATHER SERVICE.
LAT...LON 4496 9315 4492 9308 4493 9300 4500 9298
4508 9298 4505 9306 4501 9314
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 2:40 PM CDT | Severe Thunderstorm Warning | MPX | Douglas | 48 min |
| Aug 27, 3:51 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 24 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.