Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 35, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 23, 2007, 3:29 PM CDT for Ramsey County, Washington County, Minnesota. It was in force for 61 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
- May 23, 2007, 3:29 PM CDT (20:29 UTC)
- Expired
- May 23, 2007, 4:30 PM CDT
- In force
- 61 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Ramsey County, MN, Washington County, MN
The radar
The Minneapolis radar (KMPX), 52 km from the middle of the area, began a volume at 20:32 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 23, 2:58 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 8.5 hours before the alert went out and 55 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
- 84 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 811 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 141 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KMPX 232030
SVRMPX
MNC123-163-232130-
/O.NEW.KMPX.SV.W.0035.070523T2029Z-070523T2130Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
329 PM CDT WED MAY 23 2007
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA...
EASTERN RAMSEY COUNTY IN EAST CENTRAL MINNESOTA...
* UNTIL 430 PM CDT
* AT 328 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. THIS STORM WAS
LOCATED 8 MILES WEST OF COTTAGE GROVE...OR ABOUT 8 MILES SOUTH OF
ST PAUL...AND MOVING NORTHEAST AT 35 MPH.
* LOCATIONS IMPACTED INCLUDE...
COTTAGE GROVE...
WOODBURY...
MAPLEWOOD...
OAKDALE...
NORTH ST PAUL...
WHITE BEAR LAKE...
STILLWATER...
STAY INDOORS AND AWAY FROM WINDOWS.
LAT...LON 4497 9306 4478 9298 4475 9281 4528 9277
4526 9294
$$
DWE/TDK2 follow-up statements
000
WWUS53 KMPX 232046
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
345 PM CDT WED MAY 23 2007
MNC123-163-232130-
/O.CON.KMPX.SV.W.0035.000000T0000Z-070523T2130Z/
WASHINGTON MN-RAMSEY MN-
345 PM CDT WED MAY 23 2007
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR EASTERN RAMSEY AND WASHINGTON COUNTIES...
AT 345 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING LARGE HAIL. THIS STORM WAS
LOCATED NEAR INTERSTATE 94 AND WHITE BEAR AVENUE IN THE EAST SIDE OF
ST PAUL...AND ALSO NEAR WOODBURY. IT WAS MOVING NORTHEAST AT 25 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE OAK PARK HEIGHTS...
LANDFALL...WOODBURY...WHITE BEAR LAKE...STILLWATER...OAKDALE...
NORTH ST PAUL AND NEWPORT.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
LAT...LON 4497 9306 4478 9298 4475 9281 4528 9277
4526 9294
$$
DWE/TDK000
WWUS53 KMPX 232133
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
431 PM CDT WED MAY 23 2007
MNC123-163-232141-
/O.EXP.KMPX.SV.W.0035.000000T0000Z-070523T2130Z/
WASHINGTON MN-RAMSEY MN-
431 PM CDT WED MAY 23 2007
...THE SEVERE THUNDERSTORM WARNING FOR RAMSEY AND WASHINGTON COUNTIES
EXPIRED AT 430 PM CDT...
SEVERE STORMS HAD MOVED OUT OF THE ST PAUL AND STILLWATER AREAS...
AND SO THE SEVERE THUNDERSTORM WARNING WAS ALLOWED TO EXPIRE. MORE
STORMS MAY STILL DEVELOP...SO WATCH OUT FOR HEAVY RAIN AND LIGHTNING.
LAT...LON 4497 9306 4478 9298 4475 9281 4528 9277
4526 9294
$$
DWE/TDKThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 2:06 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin | 39 min |
| May 23, 2:25 PM CDT | Tornado Warning | MPX | Anoka, Hennepin | 35 min |
| May 23, 2:39 PM CDT | Severe Thunderstorm Warning | MPX | Ramsey, Washington | 51 min |
| May 23, 2:43 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault | 62 min |
| May 23, 3:12 PM CDT | Severe Thunderstorm Warning | MPX | Waseca | 46 min |
| May 23, 3:18 PM CDT | Severe Thunderstorm Warning | MPX | Dakota | 42 min |
| May 23, 3:22 PM CDT | Severe Thunderstorm Warning | MPX | Chisago | 53 min |
| May 23, 3:42 PM CDT | Severe Thunderstorm Warning | MPX | Rice | 46 min |
| May 23, 4:07 PM CDT | Tornado Warning | MPX | Goodhue | 53 min |
| May 23, 4:18 PM CDT | Tornado Warning | MPX | Dakota | 20 min |
| May 23, 5:01 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 44 min |
| May 23, 6:49 PM CDT | Severe Thunderstorm Warning | MPX | Faribault | 41 min |
| May 23, 6:57 PM CDT | Flash Flood Warning | MPX | Faribault, Freeborn | 3 hr |
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.