Alert archive / Minnesota / Tornado Warnings in 2011
Tornado Warning 15, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at May 22, 2011, 2:10 PM CDT for Anoka County, Hennepin County, Ramsey County, Minnesota. It was in force for 35 min. 10 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 22, 2011, 2:10 PM CDT (19:10 UTC)
- Expired
- May 22, 2011, 2:45 PM CDT
- In force
- 35 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
Counties Anoka County, MN, Hennepin County, MN, Ramsey County, MN
The radar
The Minneapolis radar (KMPX), 31 km from the middle of the area, began a volume at 19:09 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 22, 2:15 PM CDT | TORNADO | Minneapolis, MN | *** 1 FATAL, 30 INJ *** THE ONE FATALITY OCCURRED AT THE INTERSECTION OF 37TH AND FREMONT AVENUE NORTH. TWO PERSON WERE REPORTED CRITICALLY INJURED.12 PEOPLE HAD MODERATE INJURIES AND 15 HAD MINOR INJURIES. |
| May 22, 2:16 PM CDT | TORNADO | Minneapolis, MN | TREES DOWN 21ST AND THOMAS NORTH |
| May 22, 2:16 PM CDT | TORNADO | St Louis Park, MN | DEBRIS CLOUD HIGHWAY 100 AND 394..SURFACE LEVEL ROTATION |
| May 22, 2:23 PM CDT | TORNADO | Brooklyn Center, MN | AT HIGHWAY 694 OVER MISSISSIPPI RIVER |
| May 22, 2:27 PM CDT | TORNADO | Minneapolis, MN | 29TH AND LOGAN NORTH |
| May 22, 2:30 PM CDT | HAIL 1 | Fridley, MN | ALSO WIND DAMAGE TO GARDEN SHEDS AT HIGHWAY 100 AND 694 |
| May 22, 2:34 PM CDT | TORNADO | Fridley, MN | 51ST AND UNIVERSITY AVENUE...ROOF OFF HOUSE |
| May 22, 2:45 PM CDT | TSTM WND DMG | Fridley, MN | CENTRAL AVE. AND 73RD ST 6 INCH TREE LIMBS DOWN |
| May 22, 2:45 PM CDT | TSTM WND DMG | Minneapolis, MN | FOLLOWUP REPORT...SOUTH OF 12TH AND UPTON EXTENSIVE TREE DAMAGE SOME STRUCTURE DAMAGE AS WELL...APPEARS TO BE WIND NOT TORNADO DAMAGE |
| May 22, 2:47 PM CDT | TSTM WND DMG | Minneapolis, MN | 12 TO 18 INCH TREE LIMBS DOWN IN THEO. WIRTH PARK...SPOTTER SAYS POSIBLE TORNADO |
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 22, 12:07 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 7.2 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
- 20 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 981 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 207 m²/s²
- 0-3 km storm-relative helicity
- 243 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
362 WFUS53 KMPX 221910 TORMPX MNC003-053-123-221945- /O.NEW.KMPX.TO.W.0015.110522T1910Z-110522T1945Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 210 PM CDT SUN MAY 22 2011 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... EXTREME SOUTHERN ANOKA COUNTY IN EAST CENTRAL MINNESOTA... EAST CENTRAL HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA... NORTHWESTERN RAMSEY COUNTY IN EAST CENTRAL MINNESOTA... * UNTIL 245 PM CDT * AT 209 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS NEAR ST LOUIS PARK...OR OVER ST LOUIS PARK...AND MOVING NORTH AT 40 MPH. * LOCATIONS IN THE WARNING INCLUDE... NEW HOPE... ROBBINSDALE... CRYSTAL... COLUMBIA HEIGHTS... BROOKLYN CENTER... HILLTOP... NEW BRIGHTON... FRIDLEY... BROOKLYN PARK... ARDEN HILLS... SHOREVIEW... MOUNDS VIEW... PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED BASED ON 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. A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SUNDAY EVENING FOR SOUTHEASTERN MINNESOTA AND NORTHWESTERN WISCONSIN. && LAT...LON 4516 9334 4509 9313 4492 9330 4497 9344 TIME...MOT...LOC 1911Z 200DEG 36KT 4498 9333 $$
3 follow-up statements
162 WWUS53 KMPX 221915 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 215 PM CDT SUN MAY 22 2011 MNC003-053-123-221945- /O.CON.KMPX.TO.W.0015.000000T0000Z-110522T1945Z/ ANOKA MN-HENNEPIN MN-RAMSEY MN- 215 PM CDT SUN MAY 22 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN RAMSEY...EAST CENTRAL HENNEPIN AND SOUTH CENTRAL ANOKA COUNTIES UNTIL 245 PM CDT... AT 214 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR GOLDEN VALLEY...OR NEAR MINNEAPOLIS...MOVING NORTHEAST AT 35 MPH. LOCATIONS IMPACTED INCLUDE... CRYSTAL...ROBBINSDALE...BROOKLYN CENTER...COLUMBIA HEIGHTS... HILLTOP...BROOKLYN PARK...FRIDLEY...NEW BRIGHTON...ARDEN HILLS... SPRING LAKE PARK AND MOUNDS VIEW. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN IN A LOW LYING AREA. HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW. && LAT...LON 4516 9334 4509 9313 4492 9330 4497 9344 TIME...MOT...LOC 1915Z 209DEG 32KT 4501 9331 $$ JLT
404 WWUS53 KMPX 221916 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 216 PM CDT SUN MAY 22 2011 MNC003-053-123-221945- /O.CON.KMPX.TO.W.0015.000000T0000Z-110522T1945Z/ ANOKA MN-HENNEPIN MN-RAMSEY MN- 216 PM CDT SUN MAY 22 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN RAMSEY...EAST CENTRAL HENNEPIN AND SOUTH CENTRAL ANOKA COUNTIES UNTIL 245 PM CDT... AT 215 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO...WITH DEBRIS NEAR HIGHWAY 100 AND 394...MOVING NORTHEAST AT 35 MPH. LOCATIONS IMPACTED INCLUDE... BROOKLYN CENTER...COLUMBIA HEIGHTS...HILLTOP...BROOKLYN PARK... FRIDLEY...NEW BRIGHTON...ARDEN HILLS...SPRING LAKE PARK AND MOUNDS VIEW. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN IN A LOW LYING AREA. HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW. && LAT...LON 4516 9334 4509 9313 4492 9330 4497 9344 TIME...MOT...LOC 1916Z 209DEG 32KT 4501 9331 $$ JLT
511 WWUS53 KMPX 221920 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 220 PM CDT SUN MAY 22 2011 MNC003-053-123-221945- /O.CON.KMPX.TO.W.0015.000000T0000Z-110522T1945Z/ ANOKA MN-HENNEPIN MN-RAMSEY MN- 220 PM CDT SUN MAY 22 2011 ...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHWESTERN RAMSEY...EAST CENTRAL HENNEPIN AND SOUTH CENTRAL ANOKA COUNTIES UNTIL 245 PM CDT... AT 218 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A TORNADO NEAR INTERSTATE 94 AND DOWLING IN NORTH MINNEAPOLIS...HEADING FOR BROOKLYN CENTER AND FRIDLEY. TAKE COVER NOW! LOCATIONS IMPACTED INCLUDE... COLUMBIA HEIGHTS...BROOKLYN CENTER...HILLTOP...NEW BRIGHTON... FRIDLEY...BROOKLYN PARK...ARDEN HILLS...MOUNDS VIEW AND SPRING LAKE PARK. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOTORISTS SHOULD NOT TAKE SHELTER UNDER HIGHWAY OVERPASSES. AS A LAST RESORT... EITHER PARK YOUR VEHICLE AND STAY PUT...OR ABANDON YOUR VEHICLE AND LIE DOWN IN A LOW LYING AREA. HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE TORNADO. TAKE COVER NOW. && LAT...LON 4516 9334 4509 9313 4492 9330 4497 9344 TIME...MOT...LOC 1919Z 200DEG 34KT 4505 9329 $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 7:00 PM CDT | Tornado Warning | MPX | Anoka, Hennepin | 45 min |
| May 21, 7:24 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin, Wright | 51 min |
| May 21, 7:25 PM CDT | Tornado Warning | MPX | Anoka | 35 min |
| May 21, 7:46 PM CDT | Special Weather Statement | MPX | Pope | 44 min |
| May 21, 8:00 PM CDT | Areal Flood Advisory | MPX | Anoka, Hennepin, Wright | 3 hr |
| May 21, 8:06 PM CDT | Severe Thunderstorm Warning | MPX | Martin | 39 min |
| May 21, 8:44 PM CDT | Severe Thunderstorm Warning | MPX | Martin | 61 min |
| May 21, 8:59 PM CDT | Special Weather Statement | MPX | Todd | 61 min |
| May 21, 9:11 PM CDT | Severe Thunderstorm Warning | MPX | Todd | 64 min |
| May 21, 9:25 PM CDT | Severe Thunderstorm Warning | MPX | Watonwan | 50 min |
| May 21, 9:42 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 48 min |
| May 21, 10:12 PM CDT | Special Weather Statement | MPX | Yellow Medicine | 48 min |
| May 21, 10:26 PM CDT | Special Weather Statement | MPX | Redwood | 34 min |
| May 21, 10:43 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Martin, Redwood, Watonwan | 62 min |
| May 21, 10:43 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Pope, Renville, Stevens, Swift | 47 min |
| May 22, 12:46 AM CDT | Special Weather Statement | MPX | Le Sueur, Rice, Steele, Waseca | 44 min |
| May 22, 10:57 AM CDT | Special Weather Statement | MPX | Dakota, Goodhue, Rice | 48 min |
| May 22, 11:02 AM CDT | Special Weather Statement | MPX | Anoka, Hennepin, Ramsey | 43 min |
| May 22, 12:38 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Rice, Steele, Waseca | 52 min |
| May 22, 12:53 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Le Sueur, Scott | 52 min |
| May 22, 1:23 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Rice, Steele | 67 min |
| May 22, 1:35 PM CDT | Special Weather Statement | MPX | Hennepin | 40 min |
| May 22, 2:05 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 40 min |
| May 22, 2:24 PM CDT | Tornado Warning | MPX | Anoka, Hennepin, Ramsey | 36 min |
| May 22, 2:45 PM CDT | Tornado Warning | MPX | Anoka, Ramsey, Washington | 30 min |
| May 22, 3:10 PM CDT | Tornado Warning | MPX | Chisago, Washington | 35 min |
| May 22, 3:34 PM CDT | Tornado Warning | MPX | Chisago | 41 min |
Nearby
Tornado Warnings in Minnesota, 2011Every tornado warning in 2011Tornadoes 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.