Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 40, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 29, 2008, 5:55 PM CDT for Anoka County, Minnesota. It was in force for 35 min. 1 report 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 29, 2008, 5:55 PM CDT (22:55 UTC)
- Expired
- May 29, 2008, 6:30 PM CDT
- In force
- 35 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
County Anoka County, MN
The radar
The Minneapolis radar (KMPX), 48 km from the middle of the area, began a volume at 22:55 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 29, 6:00 PM CDT | HAIL 0.75 | 2 Nnw Anoka, 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, 10.9 hours before the alert went out and 49 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
- 1093 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS53 KMPX 292255
SVRMPX
MNC003-292330-
/O.NEW.KMPX.SV.W.0040.080529T2255Z-080529T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
555 PM CDT THU MAY 29 2008
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ANOKA COUNTY IN EAST CENTRAL MINNESOTA...
* UNTIL 630 PM CDT
* AT 550 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED 4
MILES WEST OF ANOKA...AND MOVING EAST AT 55 MPH.
* LOCATIONS IMPACTED INCLUDE...
ANDOVER...
EAST BETHEL...
RAMSEY...
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.
REPORT ANY DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST
LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.
LAT...LON 4518 9303 4519 9341 4522 9344 4523 9349
4524 9351 4528 9351 4541 9308
TIME...MOT...LOC 2255Z 257DEG 48KT 4524 9338
$$
KAT2 follow-up statements
000
WWUS53 KMPX 292311
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
610 PM CDT THU MAY 29 2008
MNC003-292330-
/O.CON.KMPX.SV.W.0040.000000T0000Z-080529T2330Z/
ANOKA MN-
610 PM CDT THU MAY 29 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR CENTRAL ANOKA COUNTY...
AT 607 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS SEVERE
THUNDERSTORM WAS LOCATED NEAR RAMSEY...OR ABOUT 6 MILES NORTHWEST OF
ANOKA...AND MOVING EAST AT 43 MPH.
THE STORM INITIALLY WARNED FOR HAS MOVED INTO FAR EASTERN ANOKA
COUNTY...AND HAS WEAKENED. THIS STORM IS LIKELY PRODUCING HEAVY
RAIN...DEADLY LIGHTNING...AND POSSIBLY PEA SIZE HAIL TO AREAS JUST
EAST OF HAM LAKE.
OTHER LOCATIONS IN THE WARNING INCLUDE CEDAR...HAM LAKE...EAST
BETHEL...ANDOVER AND RAMSEY.
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.
REPORT ANY DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST
LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.
LAT...LON 4524 9349 4528 9351 4537 9322 4537 9320
4538 9317 4526 9312
TIME...MOT...LOC 2310Z 254DEG 37KT 4527 9344
$$
KAT000
WWUS53 KMPX 292322
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
621 PM CDT THU MAY 29 2008
MNC003-292331-
/O.EXP.KMPX.SV.W.0040.000000T0000Z-080529T2330Z/
ANOKA MN-
621 PM CDT THU MAY 29 2008
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL ANOKA COUNTY EXPIRES
AT 630 PM CDT...
AT 600 PM CDT...HAIL UP TO THE SIZE OF PENNIES WAS REPORTED NEAR
RAMSEY WITH THE STORM.
THE STORMS HAVE WEAKENED TO BELOW SEVERE LIMITS...AND
THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE. HEAVY
DOWNPOURS...PEA SIZED HAIL...AND DANGEROUS LIGHTNING WILL REMAIN
POSSIBLE ACROSS PORTIONS OF ANOKA COUNTY THROUGH THE EVENING.
LAT...LON 4524 9349 4528 9351 4537 9322 4537 9320
4538 9317 4526 9312
TIME...MOT...LOC 2321Z 254DEG 37KT 4530 9328
$$
KATThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 9:17 AM CDT | Flash Flood Watch | MPX | Blue Earth, Brown, Faribault, Freeborn, Martin, Steele and 2 more | 16 hr |
| May 29, 4:43 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Le Sueur, Scott, Sibley | 32 min |
| May 29, 5:06 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Scott, Sibley | 24 min |
| May 29, 5:24 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin, Scott | 19 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2008Every severe thunderstorm warning 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.