Alert archive / Missouri / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 27, NWS Springfield, MO

April 3, 2001Benton County, Morgan County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Apr 3, 2001, 11:02 AM CDT for Benton County, Morgan County, Missouri. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Apr 3, 2001, 11:02 AM CDT (16:02 UTC)
Expired: Apr 3, 2001, 11:45 AM CDT
In force: 43 min
Issued by: NWS Springfield, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Benton County, MO, Morgan County, MO

The radar

The Pleasant Hill radar (KEAX), 104 km from the middle of the area, began a volume at 16:04 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
Apr 3, 8:00 AM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 4.0 hours before the alert went out and 197 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: 1171 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 650 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 177 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.3

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KSGF 031602
SVRSGF
MOC015-141-031645-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1102 AM CDT TUE APR 3 2001

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MORGAN COUNTY IN CENTRAL MISSOURI
  NORTHEASTERN BENTON COUNTY IN CENTRAL MISSOURI

* UNTIL 1145 AM CDT

* AT 1056 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES NORTH OF COLE CAMP...OR 11 MILES SOUTH
  OF SEDALIA...MOVING EAST AT 40 MPH. THIS SEVERE THUNDERSTORM WILL
  LIKELY PRODUCE HAIL UP TO GOLF BALL SIZE...AND WINDS IN EXCESS OF
  60 MPH.

* THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF...
  MORGAN AND BENTON COUNTIES.

THE TOWNS OF MORA...FLORENCE AND SYRACUSE ARE ALSO IN THE PATH OF
THIS STORM.

GO INSIDE A STURDY SHELTER AWAY FROM WINDOWS. REMEMBER...SEVERE
THUNDERSTORMS PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS...FREQUENT
CLOUD TO GROUND LIGHTNING...AND VERY HEAVY RAIN.

LAT...LON 3863 9333 3845 9328 3848 9271 3872 9287

DC

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Springfield, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 3, 3:04 AM CDT, 7 hours 58 minutes earlier.

Area forecast discussion, Apr 3, 3:04 AM CDT, 7 hours 58 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPRINGFIELD MO
255 AM CDT MON APR 2 2001

MONITORING SCATTERED CONVECTION OVER NORTHERN AND CENTRAL ZONES
THIS MORNING NORTH OF WARM FRONT THAT EXTENDS FROM PARSONS KANSAS TO
OSAGE BEACH. LOW LEVEL JET HAS PICKED UP OVER THE LAST FEW HOURS AS
LAMONT OK PROFILER WINDS HAVE INCREASED TO AROUND 50 KTS. LATEST
SURFACE ANALYSIS SHOWS 65+ DEWPOINTS HAVE MADE IT MO/OK BORDER.

AVN SEEMS TO HAVE THE BEST HANDLE ON WARM FRONT LOCATION...AND 0.10
INCH QPF LINES UP WELL WITH GOING CONVECTION. WARM FRONT IS PROGGED
TO MEANDER ACROSS THE FORECAST AREA TODAY...AS VORT MAX OVER
NORTHERN OK MOVES ACROSS THE REGION. STRONG 700 MB THERMAL ADVECTION
CONTINUES WITH FORECAST TEMP AROUND 6 DEG. C BY 00Z. HOWEVER...WITH
DEWPOINTS AROUND 60F...AND AFTERNOON TEMPS OVER 70F...ONLY MINIMAL
CINH AND CAPES AROUND 1700. MID LEVEL LAPSE RATES STEEPEN THROUGH
00Z...APPROACHING 8 DEG C/KM OVER OUR SOUTHWEST ZONES. WILL CONTINUE
POPS THROUGH THIS EVENING...WITH HIGHEST POPS NORTH OF WARM
FRONT.

FROM WEDNESDAY THROUGH FRIDAY...UPPER LEVEL RIDGE BUILDS OVER THE
CENTRAL U.S. AS WARM FRONT LIFTS NORTH OF THE AREA. BETTER SHORTWAVE
ENERGY AND LOW LEVEL THERMAL ADVECTION ALSO GETS DISPLACED
NORTHWARD. THEREFORE...WILL BACK OFF ON POPS UNTIL FRIDAY EVENING
WHEN LONG WAVE TROUGH PROPOGATES ACROSS THE CENTRAL PLAINS...WITH
NEGATIVE TILT.

WILL CONTINUE POPS THROUGH SATURDAY MORNING AS PER GOING
FORECAST...WITH SIGNIFICANT DRYING THEREAFTER.

FWC NUMBERS LOOK A BIT COOLISH...SO WILL FAVOR THE MAV...WHICH IS
PRETTY CLOSE TO WHAT WE HAVE GOING.

.SGF...
MO...NONE.
KS...NONE.

TERRY

In the hours before

Special weather statement, Apr 3, 5:57 AM CDT, 5 hours 5 minutes before

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-031800-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
557 AM CDT TUE APR 3 2001

...STRONG THUNDERSTORMS POSSIBLE THIS MORNING AND AFTERNOON ACROSS
SOUTHEAST KANSAS AND THE MISSOURI OZARKS...

A WARM FRONT...EXTENDING FROM FORT SCOTT KANSAS TO FORT LEONARD
WOOD...WILL BE THE FOCUS FOR THUNDERSTORM DEVELOPMENT TODAY. AN UPPER
LEVEL DISTURBANCE WILL MOVE ACROSS THE REGION THIS MORNING AND
AFTERNOON...AND INTERACT WITH THE WARM FRONT...TO PRODUCE SHOWERS
AND THUNDERSTORMS.

THE AIRMASS OVER THE REGION WILL REMAIN SLIGHTLY TO MODERATELY
UNSTABLE THROUGH THE DAY...LEADING TO THE POSSIBILITY OF HAIL WITH
THE STRONGEST STORMS.  STORM OUTFLOW COULD BECOME STRONG ENOUGH
TO PRODUCE WIND GUSTS TO 60 MPH...WITH STORMS THAT DEVELOP DURING
THE AFTERNOON.

SPOTTERS AND EMERGENCY MANAGEMENT SHOULD CLOSELY MONITOR WEATHER
CONDITIONS THROUGH THE DAY).

.OUTLOOK FOR WEDNESDAY THROUGH SATURDAY...
WARM AIR IN THE MID LEVELS OF THE ATMOSPHERE WILL OVERSPREAD THE
REGION...DECREASING THE THREAT OF THUNDERSTORMS.

TERRY

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 10:35 AM CDT	Severe Thunderstorm Warning	SGF	Benton	25 min
Apr 3, 12:05 PM CDT	Severe Thunderstorm Warning	SGF	Miller, Morgan	40 min
Apr 3, 12:13 PM CDT	Flash Flood Warning	SGF	Morgan	3 hr
Apr 3, 12:26 PM CDT	Severe Thunderstorm Warning	SGF	Camden	49 min
Apr 3, 12:42 PM CDT	Severe Thunderstorm Warning	SGF	Miller	48 min
Apr 3, 12:48 PM CDT	Severe Thunderstorm Warning	SGF	Maries	42 min
Apr 3, 1:30 PM CDT	Severe Thunderstorm Warning	SGF	Phelps	45 min
Apr 3, 1:58 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Laclede, Webster	47 min
Apr 3, 2:28 PM CDT	Severe Thunderstorm Warning	SGF	Laclede, Wright	62 min
Apr 3, 2:41 PM CDT	Severe Thunderstorm Warning	SGF	Webster	34 min
Apr 3, 3:14 PM CDT	Tornado Warning	SGF	Wright	31 min
Apr 3, 3:36 PM CDT	Tornado Warning	SGF	Douglas	24 min
Apr 3, 3:40 PM CDT	Severe Thunderstorm Warning	SGF	Texas	35 min
Apr 3, 3:58 PM CDT	Tornado Warning	SGF	Douglas, Howell	62 min
Apr 3, 4:53 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon	67 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2001 Every severe thunderstorm warning in 2001

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.