Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 18, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 10, 2011, 7:24 PM CDT for 4 counties in Minnesota. It was in force for 66 min. 12 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 10, 2011, 7:24 PM CDT (00:24 UTC)
- Expired
- May 10, 2011, 8:30 PM CDT
- In force
- 66 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Carver County, MN, Dakota County, MN, Hennepin County, MN, Scott County, MN
The radar
The Minneapolis radar (KMPX), 15 km from the middle of the area, began a volume at 00:24 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 10, 7:33 PM CDT | HAIL 0.88 | 2 Ese Carver, MN | |
| May 10, 7:55 PM CDT | HAIL 1 | Eden Prairie, MN | |
| May 10, 7:56 PM CDT | HAIL 0.75 | 3 Ene Eden Prairie, MN | |
| May 10, 8:03 PM CDT | HAIL 1.25 | Edina, MN | |
| May 10, 8:03 PM CDT | HAIL 1.75 | 1 Ene Eden Prairie, MN | |
| May 10, 8:05 PM CDT | HAIL 1.25 | 1 Ssw Eden Prairie, MN | |
| May 10, 8:08 PM CDT | HAIL 1 | Edina, MN | |
| May 10, 8:10 PM CDT | HAIL 1 | Edina, MN | |
| May 10, 8:13 PM CDT | HAIL 1 | Eden Prairie, MN | |
| May 10, 8:15 PM CDT | HAIL 1.75 | Edina, MN | |
| May 10, 8:15 PM CDT | HAIL 2 | 3 Ne Eden Prairie, MN | |
| May 10, 8:30 PM CDT | FUNNEL CLOUD | Hopkins, MN | HIGHWAY 169 AND EXCELSIOR LOOKING NORTH MOVING NORTHEAST |
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 10, 5:53 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 0.4 hours before the alert went out and 17 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
- 4330 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 1463 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 183 m²/s²
- 0-3 km storm-relative helicity
- 292 m²/s²
- Significant tornado parameter
- 3.0
- Supercell composite
- 33.9
The text
As transmitted, in the capitals the NWS used until 2016.
047 WUUS53 KMPX 110024 SVRMPX MNC019-037-053-139-110130- /O.NEW.KMPX.SV.W.0018.110511T0024Z-110511T0130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 724 PM CDT TUE MAY 10 2011 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EAST CENTRAL CARVER COUNTY IN EAST CENTRAL MINNESOTA... WEST CENTRAL DAKOTA COUNTY IN EAST CENTRAL MINNESOTA... SOUTHEASTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA... SCOTT COUNTY IN EAST CENTRAL MINNESOTA... * UNTIL 830 PM CDT * AT 719 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED NEAR NEW PRAGUE...OR ABOUT 19 MILES NORTHEAST OF LE SUEUR...AND MOVING NORTHEAST AT 25 MPH. LOCATIONS IN THE WARNING INCLUDE... JORDAN... MARYSTOWN... CREDIT RIVER... PRIOR LAKE... SHAKOPEE... LAKEVILLE... SAVAGE... EDEN PRAIRIE... BURNSVILLE... APPLE VALLEY... BLOOMINGTON... EDINA... HOPKINS... RICHFIELD... PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. && LAT...LON 4495 9342 4478 9304 4454 9348 4461 9372 TIME...MOT...LOC 0023Z 216DEG 21KT 4460 9354 WIND...HAIL <50MPH 1.00IN $$
1 follow-up statement
466 WWUS53 KMPX 110130 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 830 PM CDT TUE MAY 10 2011 MNC019-037-053-139-110140- /O.EXP.KMPX.SV.W.0018.000000T0000Z-110511T0130Z/ HENNEPIN MN-CARVER MN-DAKOTA MN-SCOTT MN- 830 PM CDT TUE MAY 10 2011 ...THE SEVERE THUNDERSTORM WARNING FOR SCOTT...WEST CENTRAL DAKOTA... CARVER AND SOUTHEASTERN HENNEPIN COUNTIES HAS EXPIRED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4495 9342 4478 9304 4454 9348 4461 9372 TIME...MOT...LOC 0130Z 216DEG 21KT 4492 9322 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 7:00 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn, Steele | 60 min |
| May 10, 7:06 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs, Sherburne | 39 min |
| May 10, 7:21 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Morrison | 54 min |
| May 10, 7:43 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin, Isanti, Mille Lacs, Sherburne, Wright | 62 min |
| May 10, 7:46 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, Scott | 59 min |
| May 10, 7:47 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs | 58 min |
| May 10, 7:54 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Rice, Scott | 53 min |
| May 10, 7:55 PM CDT | Tornado Warning | MPX | Anoka, Hennepin, Sherburne, Wright | 35 min |
| May 10, 8:10 PM CDT | Tornado Warning | MPX | Hennepin | 35 min |
| May 10, 8:27 PM CDT | Severe Thunderstorm Warning | MPX | Isanti, Kanabec, Mille Lacs | 63 min |
| May 10, 8:44 PM CDT | Tornado Warning | MPX | Anoka, Isanti, Sherburne | 35 min |
| May 10, 8:51 PM CDT | Tornado Warning | MPX | Isanti, Kanabec, Mille Lacs | 39 min |
| May 10, 9:19 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec | 41 min |
| May 10, 9:29 PM CDT | Severe Thunderstorm Warning | MPX | Isanti, Kanabec, Mille Lacs | 46 min |
| May 10, 9:31 PM CDT | Areal Flood Advisory | MPX | Isanti, Kanabec, Mille Lacs | 3 hr |
| May 10, 10:00 PM CDT | Severe Thunderstorm Warning | MPX | Isanti | 43 min |
| May 10, 10:03 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec | 36 min |
| May 10, 10:19 PM CDT | Severe Thunderstorm Warning | MPX | Chisago | 56 min |
| May 10, 10:43 PM CDT | Severe Thunderstorm Warning | MPX | Chisago | 47 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2011Every severe thunderstorm warning in 2011
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.