Alert archive / Minnesota / Tornado Warnings in 2008
Tornado Warning 15, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at May 31, 2008, 6:55 PM CDT for Anoka County, Chisago County, Washington County, Minnesota. It was in force for 50 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
- May 31, 2008, 6:55 PM CDT (23:55 UTC)
- Expired
- May 31, 2008, 7:45 PM CDT
- In force
- 50 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Anoka County, MN, Chisago County, MN, Washington County, MN
The radar
The Minneapolis radar (KMPX), 70 km from the middle of the area, began a volume at 23:56 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 31, 7:12 PM CDT | HAIL 0.88 | 1 Ese Forest Lake, MN | |
| May 31, 7:12 PM CDT | HAIL 1 | Forest Lake, MN | NEAR HIGHWAYS 61 AND 97. |
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 |
|---|---|---|---|
| May 31, 2:51 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.9 hours before the alert went out and 72 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
- 16 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 722 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 7 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 312355 TORMPX MNC003-025-163-010045- /O.NEW.KMPX.TO.W.0015.080531T2355Z-080601T0045Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 655 PM CDT SAT MAY 31 2008 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... SOUTH CENTRAL CHISAGO COUNTY IN EAST CENTRAL MINNESOTA... NORTHEASTERN ANOKA COUNTY IN EAST CENTRAL MINNESOTA... NORTHERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA... * UNTIL 745 PM CDT * AT 651 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS 5 MILES WEST OF WYOMING...OR ABOUT OVER EAST BETHEL...AND MOVING SOUTHEAST AT 28 MPH. * LOCATIONS IMPACTED INCLUDE... STACY... WYOMING... FOREST LAKE... HUGO... SCANDIA... LAT...LON 4530 9274 4511 9289 4531 9321 4541 9302 TIME...MOT...LOC 2355Z 311DEG 24KT 4534 9308 $$ MDB
1 follow-up statement
000 WWUS53 KMPX 010008 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 707 PM CDT SAT MAY 31 2008 MNC003-025-163-010045- /O.CON.KMPX.TO.W.0015.000000T0000Z-080601T0045Z/ CHISAGO MN-ANOKA MN-WASHINGTON MN- 707 PM CDT SAT MAY 31 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR NORTHERN WASHINGTON...NORTHEASTERN ANOKA AND SOUTH CENTRAL CHISAGO COUNTIES... AT 705 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS LOCATED NEAR FOREST LAKE...OR ABOUT OVER FOREST LAKE...AND MOVING SOUTHEAST AT 34 MPH. HAIL LARGER THAN GOLF BALLS IS POSSIBLE WITH THIS STORM. OTHER LOCATIONS IN THE WARNING INCLUDE SCANDIA...WYOMING...STACY... HUGO AND FOREST LAKE. WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. LAT...LON 4530 9275 4511 9289 4531 9321 4541 9302 TIME...MOT...LOC 0007Z 311DEG 29KT 4526 9297 $$ MDB
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 7:09 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Waseca | 36 min |
| May 31, 2:24 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur | 51 min |
| May 31, 3:08 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Rice, Steele, Waseca | 67 min |
| May 31, 4:15 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn, Steele, Waseca | 48 min |
| May 31, 4:15 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Sherburne | 60 min |
| May 31, 4:23 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 67 min |
| May 31, 4:43 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs, Morrison | 62 min |
| May 31, 5:01 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne, Wright | 59 min |
| May 31, 5:16 PM CDT | Tornado Warning | MPX | Sherburne, Wright | 44 min |
| May 31, 5:25 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin, Ramsey | 65 min |
| May 31, 5:28 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs, Morrison | 62 min |
| May 31, 5:38 PM CDT | Tornado Warning | MPX | Hennepin, Wright | 40 min |
| May 31, 6:17 PM CDT | Severe Thunderstorm Warning | MPX | Chisago, Isanti | 58 min |
| May 31, 6:26 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin, Ramsey, Scott | 50 min |
| May 31, 6:44 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs, Morrison | 46 min |
| May 31, 6:45 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Chisago, Washington | 45 min |
Nearby
Tornado Warnings in Minnesota, 2008Every tornado warning in 2008Tornadoes in 2008
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.