Alert archive / Minnesota / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 82, NWS Twin Cities, MN

May 9, 2004Pope County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 9, 2004, 2:59 PM CDT for Pope County, Minnesota. It was in force for 31 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 9, 2004, 2:59 PM CDT (19:59 UTC)
Expired: May 9, 2004, 3:30 PM CDT
In force: 31 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County Pope County, MN

The radar

The Minneapolis radar (KMPX), 168 km from the middle of the area, began a volume at 20:02 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 9, 3:23 PM CDT	HAIL 0.75	2 W Brooten, 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 9, 2:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.0 hours before the alert went out and 165 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: 8 J/kg
Mixed-layer CIN: -483 J/kg
Mixed-layer LCL: 802 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 207 m²/s²
0-3 km storm-relative helicity: 170 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 091959
SVRMPX
MNC121-092030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
259 PM CDT SUN MAY 9 2004

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  POPE COUNTY IN WEST CENTRAL MINNESOTA
  THIS INCLUDES THE CITY OF GLENWOOD

* UNTIL 330 PM CDT

* AT 257 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL. THIS STORM WAS LOCATED 10 MILES
  SOUTHWEST OF GLENWOOD...AND MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GLENWOOD.

LAT...LON 4564 9565 4542 9561 4545 9515 4574 9515

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 11:04 AM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	56 min
May 9, 1:53 PM CDT	Severe Thunderstorm Warning	MPX	Pope, Stevens	67 min
May 9, 2:31 PM CDT	Severe Thunderstorm Warning	MPX	Swift	59 min
May 9, 3:21 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Stearns	54 min
May 9, 3:29 PM CDT	Severe Thunderstorm Warning	MPX	Swift	31 min
May 9, 3:31 PM CDT	Tornado Warning	MPX	Kandiyohi	29 min
May 9, 3:51 PM CDT	Severe Thunderstorm Warning	MPX	Sherburne, Wright	54 min
May 9, 3:59 PM CDT	Tornado Warning	MPX	Kandiyohi	31 min
May 9, 4:05 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Stearns	55 min
May 9, 4:13 PM CDT	Tornado Warning	MPX	Meeker, Stearns	47 min
May 9, 4:40 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, Wright	65 min
May 9, 4:49 PM CDT	Tornado Warning	MPX	Anoka, Sherburne, Wright	26 min
May 9, 4:58 PM CDT	Severe Thunderstorm Warning	MPX	McLeod	47 min
May 9, 5:11 PM CDT	Tornado Warning	MPX	Carver, Hennepin	49 min
May 9, 5:18 PM CDT	Severe Thunderstorm Warning	MPX	Anoka	42 min
May 9, 5:26 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Isanti	64 min
May 9, 5:46 PM CDT	Severe Thunderstorm Warning	MPX	Sibley	44 min
May 9, 5:47 PM CDT	Severe Thunderstorm Warning	MPX	Ramsey, Washington	58 min
May 9, 5:48 PM CDT	Severe Thunderstorm Warning	MPX	McLeod	42 min
May 9, 6:18 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Scott	57 min
May 9, 6:32 PM CDT	Severe Thunderstorm Warning	MPX	Sibley	58 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2004 Every severe thunderstorm warning in 2004

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.