Alert archive / Missouri / Tornado Warnings in 2007

Tornado Warning 56, NWS Springfield, MO

August 24, 2007Phelps County, Missouri

NWS Springfield, MO issued this tornado warning at Aug 24, 2007, 2:52 PM CDT for Phelps County, Missouri. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 24, 2007, 2:52 PM CDT (19:52 UTC)
Expired: Aug 24, 2007, 3:15 PM CDT
In force: 23 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), 123 km from the middle of the area, began a volume at 19:53 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 24, 12:19 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.9 hours before the alert went out and 219 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: 1334 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 948 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 84 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KSGF 241952
TORSGF
MOC161-242015-
/O.NEW.KSGF.TO.W.0056.070824T1952Z-070824T2015Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
252 PM CDT FRI AUG 24 2007

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...
  PHELPS COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL 315 PM CDT.

* AT 248 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS VERY
  DANGEROUS STORM WAS LOCATED 5 MILES SOUTHEAST OF ROLLA...MOVING
  EAST AT 35 MPH.

* THIS TORNADIC STORM WILL REMAIN OVER MAINLY RURAL AREAS OF EASTERN
  PHELPS COUNTY. THIS ALSO INCLUDES INTERSTATE 44 BETWEEN MILE
  MARKERS 187 AND 193.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
DAMAGING HAIL UP TO GOLF BALL SIZE...AND DESTRUCTIVE STRAIGHT LINE
WINDS IN EXCESS OF 70 MPH.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 3799 9178 3781 9177 3780 9153 3799 9154

$$
DSA

1 follow-up statement

000 
WWUS53 KSGF 242013
SVSSGF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
313 PM CDT FRI AUG 24 2007

MOC161-242023-
/O.EXP.KSGF.TO.W.0056.000000T0000Z-070824T2015Z/
PHELPS MO-
313 PM CDT FRI AUG 24 2007

...THE TORNADO WARNING FOR EAST CENTRAL PHELPS COUNTY EXPIRES AT 315
PM CDT...

NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE STORM THAT 
PROMPTED THE WARNING IS EXITING THE COUNTY...THUS THE WARNING IS 
BEING ALLOWED TO EXPIRE.

LAT...LON 3799 9178 3781 9177 3780 9153 3799 9154

$$

DSA

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 24, 12:28 PM CDT	Flash Flood Watch	SGF	Barry, Barton, Benton, Camden, Cedar, Christian and 21 more	22 hr
Aug 24, 1:00 PM CDT	Severe Thunderstorm Warning	SGF	Laclede	45 min
Aug 24, 1:32 PM CDT	Severe Thunderstorm Warning	SGF	Christian, Greene, Lawrence	45 min
Aug 24, 1:43 PM CDT	Severe Thunderstorm Warning	SGF	Pulaski	45 min
Aug 24, 2:02 PM CDT	Flash Flood Warning	SGF	Greene	6 hr
Aug 24, 2:08 PM CDT	Severe Thunderstorm Warning	SGF	Webster	67 min
Aug 24, 2:28 PM CDT	Severe Thunderstorm Warning	SGF	Phelps	62 min
Aug 24, 2:35 PM CDT	Severe Thunderstorm Warning	SGF	Christian	55 min
Aug 24, 2:40 PM CDT	Flash Flood Warning	SGF	Christian, Laclede, Pulaski, Stone, Webster, Wright	6 hr
Aug 24, 3:39 PM CDT	Severe Thunderstorm Warning	SGF	Phelps, Pulaski, Texas	66 min
Aug 24, 4:08 PM CDT	Severe Thunderstorm Warning	SGF	Dent	67 min
Aug 24, 4:46 PM CDT	Severe Thunderstorm Warning	SGF	Jasper	44 min
Aug 24, 5:21 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Jasper	39 min
Aug 24, 5:49 PM CDT	Severe Thunderstorm Warning	SGF	Cedar, Dade	56 min

Nearby

Tornado Warnings in Missouri, 2007 Every tornado warning in 2007 Tornadoes in 2007

Sources

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