Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 94, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 26, 2021, 1:47 PM CDT for Carver County, Hennepin County, Minnesota. It was in force for 28 min. 8 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
- Aug 26, 2021, 1:47 PM CDT (18:47 UTC)
- Expired
- Aug 26, 2021, 2:15 PM CDT
- In force
- 28 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Carver County, MN, Hennepin County, MN
The radar
The Minneapolis radar (KMPX), 12 km from the middle of the area, began a volume at 18:48 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 |
|---|---|---|---|
| Aug 26, 1:53 PM CDT | TSTM WND DMG | 2 W St. Bonifacius, MN | 12 INCH DIAMETER TREE SNAPPED AT BASE. |
| Aug 26, 2:00 PM CDT | TSTM WND DMG | 2 Nw Minnetonka, MN | SEVERAL 3 INCH BRANCHES DOWN. |
| Aug 26, 2:00 PM CDT | TSTM WND DMG | Chanhassen, MN | FACEBOOK PICTURE OF 2FT DIAMETER TREE SNAPPED NEAR CHANHASSEN LIBRARY. TIME ESTIMATED BY RADAR. |
| Aug 26, 2:09 PM CDT | TSTM WND GST 49 | 2 Sw Eden Prairie, MN | ASOS STATION KFCM EDEN PRAIRIE AP. |
| Aug 26, 2:10 PM CDT | TSTM WND DMG | 2 Nw Excelsior, MN | 3 TO 6 INCH BRANCH DOWN ON COUNTY ROAD 19 IN TONKA BAY NEAR CITY HALL. |
| Aug 26, 2:16 PM CDT | TSTM WND GST 55 | 2 Sw Eden Prairie, MN | ASOS STATION KFCM EDEN PRAIRIE AP. |
| Aug 26, 2:17 PM CDT | TSTM WND DMG | 1 Ene Eden Prairie, MN | REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN; SHINGLES BLOWN OFF. |
| Aug 26, 2:20 PM CDT | TSTM WND GST 63 | 1 Ene Eden Prairie, 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, 6.8 hours before the alert went out and 13 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1566 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
638
WUUS53 KMPX 261847
SVRMPX
MNC019-053-261915-
/O.NEW.KMPX.SV.W.0094.210826T1847Z-210826T1915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
147 PM CDT Thu Aug 26 2021
The National Weather Service in the Twin Cities has issued a
* Severe Thunderstorm Warning for...
Southern Hennepin County in east central Minnesota...
Northeastern Carver County in east central Minnesota...
* Until 215 PM CDT.
* At 147 PM CDT, severe thunderstorms were located along a line
extending from Independence to near Mound to near Chaska, moving
east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Minneapolis, Bloomington, Plymouth, Eden Prairie, Minnetonka,
Edina, St. Louis Park, Richfield, Brooklyn Center, Chaska,
Chanhassen and Golden Valley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4507 9334 4496 9331 4485 9331 4478 9377
4488 9379 4502 9376
TIME...MOT...LOC 1847Z 254DEG 33KT 4501 9369 4490 9368 4481 9367
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
PEM/BPH2 follow-up statements
222
WWUS53 KMPX 261906
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
206 PM CDT Thu Aug 26 2021
MNC019-053-261915-
/O.CON.KMPX.SV.W.0094.000000T0000Z-210826T1915Z/
Hennepin MN-Carver MN-
206 PM CDT Thu Aug 26 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR SOUTHERN HENNEPIN AND EAST CENTRAL CARVER COUNTIES...
At 205 PM CDT, severe thunderstorms were located along a line
extending from near Plymouth to near Hopkins to Eden Prairie, moving
east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Minneapolis, Bloomington, Plymouth, Eden Prairie, Minnetonka, Edina,
St. Louis Park, Richfield, Brooklyn Center, Chaska, Chanhassen and
Golden Valley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4507 9334 4496 9331 4485 9331 4479 9370
4502 9372
TIME...MOT...LOC 1905Z 254DEG 33KT 4506 9346 4495 9345 4486 9344
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
PEM712
WWUS53 KMPX 261914
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
214 PM CDT Thu Aug 26 2021
MNC019-053-261924-
/O.EXP.KMPX.SV.W.0094.000000T0000Z-210826T1915Z/
Hennepin MN-Carver MN-
214 PM CDT Thu Aug 26 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN HENNEPIN AND EAST
CENTRAL CARVER COUNTIES WILL EXPIRE AT 215 PM CDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire. However gusty
winds and heavy rain are still possible with these thunderstorms.
LAT...LON 4507 9334 4496 9331 4485 9331 4479 9370
4502 9372
TIME...MOT...LOC 1914Z 254DEG 33KT 4508 9335 4497 9334 4488 9333
$$
PEMThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 10:39 AM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 51 min |
| Aug 26, 10:54 AM CDT | Special Weather Statement | MPX | Stevens | 36 min |
| Aug 26, 11:05 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Swift | 40 min |
| Aug 26, 11:32 AM CDT | Special Weather Statement | MPX | Chippewa | 28 min |
| Aug 26, 11:37 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi, Swift | 23 min |
| Aug 26, 12:08 PM CDT | Special Weather Statement | MPX | Kandiyohi, Meeker | 22 min |
| Aug 26, 12:22 PM CDT | Special Weather Statement | MPX | Renville | 23 min |
| Aug 26, 12:25 PM CDT | Wind Advisory | MPX | Benton, Chippewa, Douglas, Kandiyohi, Lac qui Parle, Meeker and 9 more | 3 hr |
| Aug 26, 12:52 PM CDT | Special Weather Statement | MPX | McLeod | 23 min |
| Aug 26, 1:15 PM CDT | Special Weather Statement | MPX | Carver | 30 min |
| Aug 26, 1:44 PM CDT | Special Weather Statement | MPX | Carver, Hennepin | 31 min |
| Aug 26, 2:05 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin, Ramsey, Scott, Washington | 40 min |
| Aug 26, 2:14 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin, Ramsey | 46 min |
| Aug 26, 2:44 PM CDT | Severe Thunderstorm Warning | MPX | Washington | 46 min |
| Aug 26, 2:51 PM CDT | Special Weather Statement | MPX | Washington | 24 min |
| Aug 26, 5:44 PM CDT | Flash Flood Watch | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Dakota and 22 more | 13 hr |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2021Every severe thunderstorm warning in 2021
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.