Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 251, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 26, 2007, 3:07 PM CDT for Dakota County, Ramsey County, Minnesota. It was in force for 53 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
- Jul 26, 2007, 3:07 PM CDT (20:07 UTC)
- Expired
- Jul 26, 2007, 4:00 PM CDT
- In force
- 53 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Dakota County, MN, Ramsey County, MN
The radar
The Minneapolis radar (KMPX), 38 km from the middle of the area, began a volume at 20:08 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 26, 3:40 PM CDT | TSTM WND DMG | St Paul, MN | NUMEROUS TREES AND POWERLINES DOWN ON THE EAST SIDE |
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 |
|---|---|---|---|
| Jul 26, 1:16 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 8.1 hours before the alert went out and 41 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
- 1237 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 1075 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -43 m²/s²
- 0-3 km storm-relative helicity
- -10 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 262007 SVRMPX MNC037-123-262100- /O.NEW.KMPX.SV.W.0251.070726T2007Z-070726T2100Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 307 PM CDT THU JUL 26 2007 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... RAMSEY COUNTY IN EAST CENTRAL MINNESOTA... NORTHERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA... * UNTIL 400 PM CDT * AT 304 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 7 MILES WEST OF ST PAUL...OR ABOUT OVER MINNEAPOLIS...AND MOVING EAST AT 15 MPH. * LOCATIONS IMPACTED INCLUDE... ROSEVILLE... ST PAUL... WEST ST PAUL... MAPLEWOOD... WHITE BEAR LAKE... NORTH ST PAUL... STAY INDOORS...AND AWAY FROM WINDOWS. 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. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT THURSDAY EVENING FOR SOUTHERN MINNESOTA. LAT...LON 4501 9320 4488 9316 4490 9299 4507 9300 $$
2 follow-up statements
000 WWUS53 KMPX 262019 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 319 PM CDT THU JUL 26 2007 MNC037-123-262100- /O.CON.KMPX.SV.W.0251.000000T0000Z-070726T2100Z/ RAMSEY MN-DAKOTA MN- 319 PM CDT THU JUL 26 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR DAKOTA AND RAMSEY COUNTIES... AT 317 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 65 MPH. THIS STORM WAS LOCATED 3 MILES SOUTH OF FALCON HEIGHTS...OR ABOUT OVER ROSEVILLE...AND MOVING EAST AT 15 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE LILYDALE...GEM LAKE...WHITE BEAR LAKE...WEST ST PAUL...ST PAUL...ROSEVILLE...NORTH ST PAUL... MAPLEWOOD...LITTLE CANADA AND FALCON HEIGHTS. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. LAT...LON 4501 9320 4488 9316 4490 9299 4507 9300 $$
000 WWUS53 KMPX 262051 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 351 PM CDT THU JUL 26 2007 MNC037-123-262101- /O.EXP.KMPX.SV.W.0251.000000T0000Z-070726T2100Z/ RAMSEY MN-DAKOTA MN- 351 PM CDT THU JUL 26 2007 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN DAKOTA AND RAMSEY COUNTIES EXPIRES AT 400 PM CDT... SEVERE STORMS WERE ABOUT TO MOVE OUT OF THE COUNTY. HOWEVER...MORE THUNDERSTORMS WERE DEVELOPING IN THE AREA. REMAIN ALERT FOR POSSIBLE ADDITIONAL WARNINGS. PRIOR TO MOVING OUT OF THE COUNTY...52 MPH WINDS WERE REPORTED AT THE SAINT PAUL AIRPORT. REPORT ANY SEVERE WEATHER TO LOCAL LAW ENFORCEMENT FOR RELAY TO THE NATIONAL WEATHER SERVICE. LAT...LON 4501 9320 4488 9316 4490 9299 4507 9300 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 12:35 PM CDT | Severe Thunderstorm Warning | MPX | Todd | 40 min |
| Jul 26, 2:50 PM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs | 40 min |
| Jul 26, 2:55 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin | 50 min |
| Jul 26, 3:34 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec | 41 min |
| Jul 26, 3:46 PM CDT | Severe Thunderstorm Warning | MPX | Chisago | 59 min |
| Jul 26, 3:50 PM CDT | Severe Thunderstorm Warning | MPX | Washington | 55 min |
| Jul 26, 4:44 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault | 46 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.