Alert archive / Minnesota / Tornado Warnings in 2008

Tornado Warning 4, NWS Twin Cities, MN

May 25, 2008Sherburne County, Wright County, Minnesota

NWS Twin Cities, MN issued this tornado warning at May 25, 2008, 3:49 PM CDT for Sherburne County, Wright County, Minnesota. It was in force for 26 min. 16 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 25, 2008, 3:49 PM CDT (20:49 UTC)
Expired: May 25, 2008, 4:15 PM CDT
In force: 26 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

Counties Sherburne County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 54 km from the middle of the area, began a volume at 20:51 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 25, 3:49 PM CDT	HAIL 1	1 Nw Maple Lake, MN
May 25, 3:49 PM CDT	HAIL 1	8 S Clearwater, MN
May 25, 3:50 PM CDT	HAIL 1.75	2 Nnw Maple Lake, MN
May 25, 3:50 PM CDT	HAIL 3	4 Sse Silver Creek, MN	REPORTED 3.5 INCH HAIL. MUCH HOUSING DAMAGE.
May 25, 3:52 PM CDT	HAIL 1.5	1 Ne Annandale, MN
May 25, 3:53 PM CDT	HAIL 1	Monticello, MN
May 25, 3:58 PM CDT	HAIL 2.75	Maple Lake, MN
May 25, 4:00 PM CDT	HAIL 1.75	Monticello, MN
May 25, 4:01 PM CDT	HAIL 2.75	Monticello, MN
May 25, 4:03 PM CDT	HAIL 1	2 Ne Buffalo, MN
May 25, 4:03 PM CDT	HAIL 2	Monticello, MN
May 25, 4:05 PM CDT	HAIL 1.75	4 W Otsego, MN
May 25, 4:12 PM CDT	HAIL 1.75	Monticello, MN	BROKEN WINDOWS
May 25, 4:14 PM CDT	HAIL 1.75	3 S Elk River, MN
May 25, 4:16 PM CDT	HAIL 1	2 N Big Lake, MN
May 25, 4:20 PM CDT	HAIL 1.5	3 Nw Albertville, MN

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 25, 2:04 PM CDT	Tornado Watch PDS	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.8 hours before the alert went out and 53 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 58 J/kg
Mixed-layer CIN: -266 J/kg
Mixed-layer LCL: 641 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 53 m²/s²
0-3 km storm-relative helicity: 45 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -3.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KMPX 252049
TORMPX
MNC141-171-252115-
/O.NEW.KMPX.TO.W.0004.080525T2049Z-080525T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
349 PM CDT SUN MAY 25 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTH CENTRAL SHERBURNE COUNTY IN CENTRAL MINNESOTA...  
  NORTHERN WRIGHT COUNTY IN CENTRAL MINNESOTA...

* UNTIL 415 PM CDT

* AT 347 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS NEAR MAPLE
  LAKE...OR ABOUT 5 MILES EAST OF ANNANDALE...AND MOVING NORTHEAST AT
  45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  SILVER CREEK...
  MONTICELLO...
  BIG LAKE...
  OTSEGO...
  MAPLE 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 4543 9363 4526 9355 4515 9407 4526 9413
TIME...MOT...LOC 2049Z 245DEG 40KT 4527 9398

$$

RAH/TRH

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 25, 7:43 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Yellow Medicine	62 min
May 25, 8:24 AM CDT	Severe Thunderstorm Warning	MPX	Swift	51 min
May 25, 9:01 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Swift	44 min
May 25, 9:24 AM CDT	Severe Thunderstorm Warning	MPX	Stearns	66 min
May 25, 10:01 AM CDT	Severe Thunderstorm Warning	MPX	Benton, Sherburne, Stearns	44 min
May 25, 10:42 AM CDT	Severe Thunderstorm Warning	MPX	Benton, Isanti, Kanabec, Mille Lacs	63 min
May 25, 11:10 AM CDT	Severe Thunderstorm Warning	MPX	Isanti	27 min
May 25, 11:34 AM CDT	Severe Thunderstorm Warning	MPX	Chisago	26 min
May 25, 3:04 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Stearns, Wright	56 min
May 25, 3:36 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Sherburne, Wright	54 min
May 25, 4:01 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Meeker, Mille Lacs, Sherburne, Stearns, Wright	59 min
May 25, 4:03 PM CDT	Tornado Warning	MPX	Hennepin, Wright	27 min
May 25, 4:13 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Isanti, Washington	62 min
May 25, 4:37 PM CDT	Tornado Warning	MPX	Anoka, Ramsey, Washington	23 min
May 25, 4:41 PM CDT	Severe Thunderstorm Warning	MPX	Sherburne, Wright	49 min
May 25, 4:56 PM CDT	Tornado Warning	MPX	Anoka, Ramsey, Washington	34 min
May 25, 5:02 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin	28 min
May 25, 5:17 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Isanti, Washington	43 min
May 25, 5:25 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Ramsey, Washington	35 min
May 25, 6:00 PM CDT	Severe Thunderstorm Warning	MPX	Washington	30 min

Nearby

Tornado Warnings in Minnesota, 2008 Every tornado warning in 2008 Tornadoes 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.