Alert archive / Missouri / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 216, NWS Springfield, MO

June 30, 2001Greene County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Jun 30, 2001, 2:52 PM CDT for Greene County, Missouri. It was in force for 38 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: Jun 30, 2001, 2:52 PM CDT (19:52 UTC)
Expired: Jun 30, 2001, 3:30 PM CDT
In force: 38 min
Issued by: NWS Springfield, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Greene County, MO

The radar

The Springfield radar (KSGF), 6 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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.9 hours before the alert went out and 54 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: 760 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 758 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 37 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KSGF 301952
SVRSGF
MOC077-302030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
252 PM CDT SAT JUN 30 2001

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GREENE COUNTY IN SOUTHWEST MISSOURI

* UNTIL 330 PM CDT

* AT 250 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES NORTHWEST OF STRAFFORD...OR 9 MILES    
  NORTHEAST OF SPRINGFIELD...MOVING WEST AT 5 MPH. THIS SEVERE       
  THUNDERSTORM WILL LIKELY PRODUCE HAIL TO THE SIZE OF               
  NICKELS...AND WINDS IN EXCESS OF 60 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT NORTHERN SECTIONS OF           
  SPRINGFIELD...WILLARD AND ASH GROVE.

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 3738 9362 3714 9359 3714 9314 3740 9317

$$
TERRY

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 Jun 30, 2:15 PM CDT, 37 minutes earlier.

Area forecast discussion, Jun 30, 2:15 PM CDT, 37 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPRINGFIELD MO
215 PM CDT SAT JUN 30 2001

MAIN FOCUS WILL BE WITH PRECIPITATION CHANCES NEXT COUPLE OF DAYS.

PESKY UPPER LEVEL LOW HAS TAKEN A 5 DAY VACATION ACROSS THE
OZARKS...WITH MORE AFTERNOON CONVECTION OCCURRING TODAY.  LOW
CONTINUES TO WEAKEN HOWEVER WITH 500 MB TEMPS THIS MORNING A COUPLE
OF DEGREES WARMER THAN 00Z RUN LAST NIGHT.  COLD POOL WAS LOCATED
ACROSS ARKANSAS AND NE TX.

MODELS ALL HAVE SIMILAR SOLUTIONS FOR SYNOPTIC SCALE FEATURES
THROUGH THE PERIOD.  ALL WEAKEN CLOSED LOW SYSTEM WITH REMAINING
ENERGY PUSHING SOUTH OF MISSOURI ON SUNDAY.  ONGOING CONVECTION
SHOULD COME TO AN END SHORTLY AFTER SUNSET TODAY WITH LOSS OF
HEATING.

UPPER LEVEL WAVE ALONG THE JET STREAM WILL DIVE INTO THE GREAT
LAKES ON SUNDAY ALLOWING A SURFACE COLD FRONT TO DROP INTO NORTHERN
MISSOURI ON SUNDAY MORNING...AND INTO CENTRAL AND SOUTHERN MISSOURI
DURING THE AFTERNOON.  WILL CONTINUE PREVIOUS FORECAST THINKING OF
SCATTERED AFTERNOON AND EVENING THUNDERSTORMS WITH THIS FEATURE.

FRONT LOOKS TO WASH OUT ON MONDAY AS HIGH SLIDES TO EAST AND
SOUTHERLY FLOW SETS UP AGAIN AT THE SURFACE.  MCS MIGHT DEVELOP ON
MONDAY NIGHT ACROSS CENTRAL/NORTHERN PLAINS AND POSSIBLY MOVE INTO
CWA DURING THE DAY ON TUESDAY...BUT WILL LEAVE OUT MENTION OF
PRECIPITATION FOR NOW.  NEXT SHOT OF RAIN WILL BE ON WEDNESDAY AS
FRONT PUSHES THROUGH THE AREA.  THURSDAY THROUGH SATURDAY LOOK TO
BE DRY WITH COOL/DRY HIGH PRESSURE AT SURFACE BUILDING INTO AREA.

FCSTID = 5
SGF   65  84  64  81 /  30  30  30  20
JLN   68  86  67  84 /  30  30  30  20
UNO   63  83  62  80 /  30  30  30  20
VIH   64  84  62  79 /  20  30  30  20

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

LINDENBERG

In the hours before

Local storm report, Jun 30, 10:04 AM CDT, 4 hours 48 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1004 AM CDT SAT JUN 30 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0805 PM    AKERS                     MO   .75 INCH HAIL
06/29/01   SHANNON                        REPORTED BY PUBLIC.

Special weather statement, Jun 30, 1:00 PM CDT, 1 hour 52 minutes before

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-011100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPRINGFIELD MO
100 PM CDT SAT JUN 30 2001

...SCATTERED THUNDERSTORMS WITH HEAVY RAIN POSSIBLE THIS AFTERNOON...

THE PESKY UPPER LEVEL LOW PRESSURE SYSTEM WHICH HAS PRODUCED
SCATTERED THUNDERSTORMS WITH VERY HEAVY RAINS DURING THE PAST WEEK...
REMAINS OVER MISSOURI.  THIS SYSTEM IS IN A WEAKENING STAGE...
HOWEVER SCATTERED THUNDERSTORMS WILL BE POSSIBLE AGAIN THIS
AFTERNOON.  THESE STORMS WILL AGAIN BE SLOW MOVING...AND WILL
PRODUCE VERY HEAVY RAIN IN A SHORT PERIOD OF TIME.  ISOLATED FLASH
FLOODING MAY OCCUR WITH THE STRONGER STORMS.

WHILE THESE STORMS WILL PRODUCE VERY HEAVY RAIN...SEVERE WEATHER IS
NOT EXPECTED...AND STORM SPOTTERS WILL NOT BE NEEDED THIS AFTERNOON
OR EVENING.

.EXTENDED OUTLOOK...
A COLD FRONT WILL MOVE INTO THE AREA ON THE FOURTH OF JULY...
BRINGING A CHANCE OF SHOWERS AND THUNDERSTORMS TO THE AREA.

LINDENBERG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 7:00 PM CDT	Flash Flood Warning	SGF	Stone	4 hr
Jun 29, 7:43 PM CDT	Severe Thunderstorm Warning	SGF	Texas	62 min
Jun 29, 7:48 PM CDT	Severe Thunderstorm Warning	SGF	Shannon	57 min
Jun 30, 4:40 PM CDT	Severe Thunderstorm Warning	SGF	Douglas	50 min
Jun 30, 5:17 PM CDT	Flash Flood Warning	SGF	Wright	4 hr

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.