Alert archive / Missouri / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 39, NWS Springfield, MO

April 22, 2004Howell County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 22, 2004, 9:26 PM CDT for Howell County, Missouri. It was in force for 79 min. 2 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: Apr 22, 2004, 9:26 PM CDT (02:26 UTC)
Expired: Apr 22, 2004, 10:45 PM CDT
In force: 79 min
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

County Howell County, MO

The radar

The Springfield radar (KSGF), 140 km from the middle of the area, began a volume at 02:28 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
Apr 22, 9:55 PM CDT	HAIL 0.75	4 Nw West Plains, MO
Apr 22, 10:00 PM CDT	HAIL 0.75	1 W West Plains, MO

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
Apr 22, 7:50 PM CDT	Tornado Watch	SPC	4 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.4 hours before the alert went out and 168 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: 112 J/kg
Mixed-layer CIN: -140 J/kg
Mixed-layer LCL: 785 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 336 m²/s²
0-3 km storm-relative helicity: 543 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KSGF 230226
SVRSGF
MOC091-230345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
926 PM CDT THU APR 22 2004

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HOWELL COUNTY IN MISSOURI.

* UNTIL 1045 PM CDT.

* AT 924 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND
  DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED 14
  MILES NORTHEAST OF GAINESVILLE...OR ABOUT 22 MILES WEST OF WEST
  PLAINS...AND MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR WEST PLAINS BY 1000 PM CDT.

THE TOWNS OF POTTERSVILLE AND BRANDSVILLE ARE ALSO IN THE PATH OF
THIS SEVERE THUNDERSTORM.

DOPPLER RADAR HAS INDICATED SOME ROTATION WITHIN THIS STORM. WHILE 
NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO 
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY 
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS

LAT...LON 3701 9205 3653 9211 3653 9169 3701 9169

$$

IZZI

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 22, 7:10 PM CDT	Tornado Warning	SGF	Christian	65 min
Apr 22, 7:14 PM CDT	Tornado Warning	SGF	Stone	31 min
Apr 22, 7:18 PM CDT	Severe Thunderstorm Warning	SGF	Barry	57 min
Apr 22, 7:29 PM CDT	Tornado Warning	SGF	Taney	61 min
Apr 22, 7:31 PM CDT	Severe Thunderstorm Warning	SGF	Jasper	59 min
Apr 22, 7:52 PM CDT	Tornado Warning	SGF	Barry, Stone	53 min
Apr 22, 7:59 PM CDT	Tornado Warning	SGF	McDonald	61 min
Apr 22, 8:10 PM CDT	Tornado Warning	SGF	Douglas	65 min
Apr 22, 8:12 PM CDT	Severe Thunderstorm Warning	SGF	Lawrence	63 min
Apr 22, 8:25 PM CDT	Tornado Warning	SGF	Ozark	65 min
Apr 22, 9:15 PM CDT	Severe Thunderstorm Warning	SGF	Douglas	60 min
Apr 22, 9:29 PM CDT	Severe Thunderstorm Warning	SGF	Ozark	46 min
Apr 22, 10:01 PM CDT	Severe Thunderstorm Warning	SGF	St. Clair	29 min
Apr 22, 10:50 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	55 min
Apr 22, 11:46 PM CDT	Severe Thunderstorm Warning	SGF	Oregon	59 min
Apr 23, 5:56 AM CDT	Severe Thunderstorm Warning	SGF	McDonald	64 min
Apr 23, 6:28 AM CDT	Severe Thunderstorm Warning	SGF	Barry	62 min
Apr 23, 8:22 AM CDT	Severe Thunderstorm Warning	SGF	Barry, McDonald	53 min
Apr 23, 10:32 AM CDT	Flash Flood Warning	SGF	McDonald	3 hr
Apr 23, 10:55 AM CDT	Flash Flood Warning	SGF	Barry	3 hr
Apr 23, 2:45 PM CDT	Severe Thunderstorm Warning	SGF	Barton	45 min
Apr 23, 3:35 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Newton	55 min
Apr 23, 5:00 PM CDT	Flash Flood Warning	SGF	Barry, Stone	3 hr
Apr 23, 5:24 PM CDT	Flash Flood Warning	SGF	Lawrence	5 hr
Apr 23, 6:34 PM CDT	Severe Thunderstorm Warning	SGF	Lawrence	41 min

Nearby

Severe Thunderstorm Warnings in Missouri, 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.