Alert archive / Missouri / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 48, NWS Springfield, MO

April 19, 2002Phelps County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 19, 2002, 5:25 PM CDT for Phelps County, Missouri. It was in force for 50 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: Apr 19, 2002, 5:25 PM CDT (22:25 UTC)
Expired: Apr 19, 2002, 6:15 PM CDT
In force: 50 min
Issued by: NWS Springfield, MO
Area: Counties, with a storm outline in the text

County Phelps County, MO

The radar

The St Louis radar (KLSX), 136 km from the middle of the area, began a volume at 22:26 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 19, 5:29 PM CDT	Hail 0.75	Rolla, MO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

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 19, 4:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.4 hours before the alert went out and 204 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: 1060 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 849 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 251 m²/s²
0-3 km storm-relative helicity: 269 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.6

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KSGF 192225
SVRSGF
MOC161-192315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
524 PM CDT FRI APR 19 2002

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

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

* UNTIL 615 PM CDT

* AT 521 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING HAIL UP TO 1 INCH IN
  DIAMETER.  THIS STORM WAS LOCATED 6 MILES SOUTH OF ROLLA...AND
  MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   ROLLA BY 530 PM CDT.
   ST. JAMES BY 555 PM CDT.

THE TOWN OF NORTHWYE IS ALSO IN THE PATH OF THIS STORM.

LAT...LON 3773 9205 3779 9154 3805 9151 3807 9205

BOOKBINDER

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 9:45 AM CDT	Severe Thunderstorm Warning	SGF	Dallas, Polk	45 min
Apr 19, 11:17 AM CDT	Severe Thunderstorm Warning	SGF	Dent	43 min
Apr 19, 11:40 AM CDT	Severe Thunderstorm Warning	SGF	Pulaski	35 min
Apr 19, 11:58 AM CDT	Severe Thunderstorm Warning	SGF	Phelps	47 min
Apr 19, 12:00 PM CDT	Severe Thunderstorm Warning	SGF	Dent	45 min
Apr 19, 12:14 PM CDT	Severe Thunderstorm Warning	SGF	Greene, Webster	46 min
Apr 19, 4:42 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, Dallas, Hickory, Polk, St. Clair	63 min
Apr 19, 4:49 PM CDT	Severe Thunderstorm Warning	SGF	Dade, Lawrence	41 min
Apr 19, 5:04 PM CDT	Severe Thunderstorm Warning	SGF	Camden	56 min
Apr 19, 5:49 PM CDT	Flash Flood Warning	SGF	Camden	6 hr
Apr 19, 6:15 PM CDT	Flash Flood Warning	SGF	Maries, Miller, Pulaski	6 hr
Apr 19, 6:26 PM CDT	Flash Flood Warning	SGF	Phelps	6 hr
Apr 19, 6:33 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Phelps, Texas	42 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.