Alert archive / Minnesota / Tornado Warnings in 2007
Tornado Warning 5, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at May 23, 2007, 2:25 PM CDT for Anoka County, Hennepin County, Minnesota. It was in force for 35 min. 9 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
- May 23, 2007, 2:25 PM CDT (19:25 UTC)
- Expired
- May 23, 2007, 3:00 PM CDT
- In force
- 35 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Anoka County, MN, Hennepin County, MN
The radar
The Minneapolis radar (KMPX), 32 km from the middle of the area, began a volume at 19:25 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 |
|---|---|---|---|
| May 23, 2:25 PM CDT | TSTM WND DMG | Brooklyn Park, MN | TREE LIMBS DOWN |
| May 23, 2:25 PM CDT | HAIL 1 | Brooklyn Park, MN | AT HIGHWAY 169 AND HIGHWAY 81. |
| May 23, 2:25 PM CDT | HAIL 1.75 | Brooklyn Park, MN | |
| May 23, 2:25 PM CDT | HAIL 2.75 | Brooklyn Park, MN | BASEBALL SIZED HAIL REPORTED ALONG WITH UNKNOWN WIND DAMAGE AT INTERSECTION OF SCHMITT LAKE ROAD AND HIGHWAY 169. ALSO HALF DOLLAR TO PING PONG SIZED HAIL REPORTED NEAR 694 AND 85TH AVENUE. |
| May 23, 2:26 PM CDT | HAIL 2.5 | Brooklyn Park, MN | MEASURED AT INTERSECTION OF 73RD AND ZANE. |
| May 23, 2:26 PM CDT | HAIL 2.5 | Brooklyn Park, MN | |
| May 23, 2:30 PM CDT | HAIL 0.88 | Brooklyn Park, MN | NEAR ZANE AND CO RD 30 |
| May 23, 2:30 PM CDT | HAIL 1.75 | Crystal, MN | NEAR CRYSTAL AIRPORT |
| May 23, 2:36 PM CDT | HAIL 1 | Spring Lake Park, MN |
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 12:00Z, 7.4 hours before the alert went out and 33 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 WFUS53 KMPX 231925 TORMPX MNC003-053-232000- /O.NEW.KMPX.TO.W.0005.070523T1925Z-070523T2000Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 225 PM CDT WED MAY 23 2007 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... ANOKA COUNTY IN EAST CENTRAL MINNESOTA... HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA... * UNTIL 300 PM CDT * AT 224 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS NEAR NEW HOPE... OR ABOUT OVER PLYMOUTH...AND MOVING NORTHEAST AT 35 MPH. * LOCATIONS IMPACTED INCLUDE... BROOKLYN CENTER... OSSEO... BROOKLYN PARK... FRIDLEY... CHAMPLIN... SPRING LAKE PARK... ANOKA... COON RAPIDS... OAK PARK... BLAINE... WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. LAT...LON 4504 9354 4496 9336 4520 9315 4529 9339 $$ TDK
1 follow-up statement
000 WWUS53 KMPX 231938 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 238 PM CDT WED MAY 23 2007 MNC003-053-232000- /O.CON.KMPX.TO.W.0005.000000T0000Z-070523T2000Z/ ANOKA MN-HENNEPIN MN- 238 PM CDT WED MAY 23 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 300 PM CDT FOR HENNEPIN AND ANOKA COUNTIES... AT 237 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH ROTATION. THE SEVERE THUNDERSTORM WAS LOCATED NEAR BROOKLYN PARK...AND MOVING NORTHEAST AT 35 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE SPRING LAKE PARK...OAK PARK... ROBBINSDALE...PLYMOUTH...OSSEO...NEW HOPE...MAPLE GROVE...AND FRIDLEY. THERE HAVE BEEN REPORTS OF WIND DAMAGE IN PLYMOUTH. IT IS UNCERTAIN WHETHER THIS IS DOWNBURST DAMAGE OR IF THERE MIGHT BE A TORNADO. TENNIS BALL SIZE HAIL WAS REPORTED IN BROOKLYN PARK AT 225 PM. WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. LAT...LON 4504 9354 4496 9336 4520 9315 4529 9339 $$ TDK
The 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, 2:39 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, 3:29 PM CDT | Severe Thunderstorm Warning | MPX | Ramsey, Washington | 61 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
Tornado Warnings in Minnesota, 2007Every tornado warning in 2007Tornadoes 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.