Alert archive / Missouri / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 137, NWS Kansas City, MO

May 17, 2001Carroll County, Chariton County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 17, 2001, 2:33 PM CDT for Carroll County, Chariton County, Missouri. It was in force for 42 min. 1 report came from 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, with what was reported inside it.

The facts

Issued: May 17, 2001, 2:33 PM CDT (19:33 UTC)
Expired: May 17, 2001, 3:15 PM CDT
In force: 42 min
Issued by: NWS Kansas City, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Carroll County, MO, Chariton County, MO

What was reported inside it

Time	Report	Where	Remark
May 17, 2:45 PM CDT	Hail 0.75	De Witt, MO	Public reported 12 inch diameter tree blown down and 3/4 inch hail.

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
May 17, 1:15 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 7.6 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: 2833 J/kg
Mixed-layer CIN: -103 J/kg
Mixed-layer LCL: 818 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KEAX 171933
SVRMCI
MOC033-041-172015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
233 PM CDT THU MAY 17 2001

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL CARROLL COUNTY IN NORTH CENTRAL MISSOURI   
  CHARITON COUNTY IN NORTH CENTRAL MISSOURI

* UNTIL 315 PM CDT

* AT 233 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER DE WITT...OR ABOUT 19 MILES NORTH OF
  MARSHALL...MOVING EAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DE WITT AT 240 PM CDT
  BRUNSWICK AT 250 PM CDT
  DALTON AT 310 PM CDT
  KEYTESVILLE AT 315 PM CDT

THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE QUARTER SIZE HAIL...AND
WINDS IN EXCESS OF 70 MPH. FOR YOUR SAFETY...MOVE INDOORS AND STAY
AWAY FROM WINDOWS. REMEMBER...LIGHTNING IS A THREAT FROM ALL
THUNDERSTORMS. HEAVY RAINS CAN CAUSE LOCALIZED FLOODING OF LOW LYING
AREAS.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS AS THEY
MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO
RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.

LAT...LON 3951 9278 3948 9338 3930 9339 3930 9335
          3931 9334 3931 9330 3936 9320 3940 9320
          3938 9311 3932 9306 3932 9298 3927 9296
  ,        3927 9284 3934 9277

SF

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 Kansas City, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at May 17, 3:55 AM CDT, 10 hours 38 minutes earlier.

Area forecast discussion, May 17, 3:55 AM CDT, 10 hours 38 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
355 AM CDT THU MAY 17 2001

LOCATION OF FNTS/OUTFLOW BNDRYS...PCPN...CLDS WILL HV AN IMPACT ON
TEMPS THRU FRI MRNG. MID/UPR LVL PATTERN HAS BCM MORE ACTV AS
MID/UPR LVL RDG HAS FLATTENED...WITH PREDOMINANT ZONAL FLOW NOW IN
PLACE. QSTNRY FNTL BNDRY LIES FM NRN IL ACRS EXTRM SRN IA INTO N
CNTRL KS. UPSTRM CDFNT FM WRN MN CURVES SW THRU NRN NEB. STG/ISOLD
SVR TSTMS OCRG WITH SRN MOST BNDRY NR MO/IA BDR WHERE CAPES RUNNING
ARND 3000J. SUF INSTBY PRESENT TO SUPPORT SOME LRG HAIL FOR THE REST
OF THIS MRNG. CNVTV COMPLEX SHUD TRK E THIS MRNG WITH MAIN PCPN
THREAT FAR NRN MO CNTYS THIS MRNG. WATCHING LRG CNVTV COMPLEX OVR
ERN CO/WRN KS. ETA/AVN MODELS HV BEST HANDLE WITH THIS FEATURE...AND
TRK THIS PCPN COMPLEX EWD THIS MRNG ACRS KS. DFCLT TO SEE VORT LOBE
MODELS ATTACH TO THIS FEATURE BUT FEEL IT IS MORE OF A CNVTVLY
INDUCED VORT MAX WHICH WILL BCM MORE APPARANT LTR THIS MRNG.

FNTL BNDRY EXPCD TO SAG SWD THIS MRNG AND BCM THE FOCUS FOR ACTV
CNVTN PSBLY BY ERY AFTN. H7 TEMPS PROGD TO COOL A CPL DEGREES TDY SO
AMS WILL BE LESS CAPPED. HI CAPE VALUES WILL CONT TO SUPPORT LRG
HAIL/DMGG WIND THREAT THRU ERY THIS EVE ACRS SE HLF CWA. GIVEN HIGH
POPS FM PROGS AND ABV SCENERIO FEEL LIKELY POPS WARRANTED FOR LRG
PART OF CWA. SINCE PCPN SHUD HOLD OFF FOR ALL BUT FAR NRN CNTYS TILL
THIS AFTN THINK MOST OF CWA WILL EXCEED GUID MAX TEMPS.

UPSTRM CDFNT PROGD TO ENTER NW MO THIS AFTN AND COULD BE ANOTHER
SOURCE FOR AFTN CNVTN. HIGH PWS SUS HVY RAIN WILL CONT TO BE A
THREAT. MAY SEE SOME POST FNTL CNVTN AS SLOW MOVG MID LVL SHRTWV
MOVS E INTO CWA LT THIS AFTN/EVE.

EXTV CLDNS EXPCD TO LAST THRU TNGT AND THIS LIKELY TO SUPPORT WRMR
MIN TEMPS THAN PROGD. COOLER AND DRIER AIR MOVS INTO CWA FRI AS SFC
HI BUILDS IN.

NEXT CHC OF RAIN IS SAT NGT/SUN AS STGR SHRTWV MOVS ACRS SRN PLAINS
WITH INVERTED SFC FNT PUSING E ACRS KS AND INTO MO.

LTST AVN/MRF SHOW A STGR CDFNT WITH MUCH COOLER AIR MOVG IN FOR
TUE/WED. HV LOWERED TEMPS SVRL CAT TO REFLECT THIS.

.EAX...
KS...NONE
MO...NONE

JULY

In the hours before

Local storm report, May 17, 10:59 AM CDT, 3 hours 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1059 AM CDT THU MAY 17 2001

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

1022 AM    4 N LAREDO                MO   1.25 INCH HAIL
05/17/01   GRUNDY                         REPORTED BY PUBLIC.

Special weather statement, May 17, 12:49 PM CDT, 1 hour 44 minutes before

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-181100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
100 PM CDT THU THU MAY 17 2001

...THERE IS A RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
EVENING OVER PARTS OF NORTHEAST AND WEST CENTRAL MISSOURI AN EAST
CENTRAL KANSAS...

FORECAST: SEVERE THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND THIS
EVENING...GENERALLY SOUTH OF A LINE FROM MOUND CITY TO BETHANY TO
UNIONVILLE. THE PRIMARY THREATS ARE LARGE HAIL...DAMAGING WINDS AND
HEAVY RAINFALL.

DISCUSSION:  A COLD FRONT ACROSS NORTHWEST MISSOURI WILL CONTINUE TO
TRIGGER THUNDERSTORMS AS IT MOVES SLOWLY SOUTHEAST. THE ATMOSPHERE
WILL CONTINUE TO BE VERY UNSTABLE THROUGH EARLY THIS EVENING AHEAD
OF THE FRONT. DUE TO WEAK ATMOSPHERIC WINDS...HAIL AND DAMAGING
WINDS ARE THE PRIMARY EFFECTS. IN ADDITION...DUE TO THE SLOW
MOVEMENT OF STORMS...HEAVY RAINFALL IS ALSO EXPECTED. THE STORMS
WILL DIMINISH THIS EVENING.

OUTLOOK: THUNDERSTORMS MAY RETURN LATE SATURDAY NIGHT AND THROUGH
THE FIRST OF NEXT WEEK.

FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT
HTTP://WWW.CRH.NOAA.GOV/EAX.

DB

DB

Local storm report, May 17, 12:52 PM CDT, 1 hour 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1252 PM CDT THU MAY 17 2001

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

0130 AM    2 NE WESTBORO             MO   1 INCH HAIL
05/17/01   ATCHISON                       REPORTED BY PUBLIC.

1210 PM    3 NW TRENTON              MO   1 INCH HAIL
05/17/01   GRUNDY                         REPORTED BY$ HAM RADIO
                                          OPERATOR.

Local storm report, May 17, 12:58 PM CDT, 1 hour 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1258 PM CDT THU MAY 17 2001

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

1225 PM    WEATHERBY                 MO   .88 INCH HAIL
05/17/01   DE KALB                        REPORTED BY PUBLIC.

1225 PM    WEATHERBY                 MO   60 MPH TSTM GUST
05/17/01   DE KALB

1240 PM    2 E WEATHERlBY             MO   60 MPH TSTM GUST
05/17/01   DE KALB

1250 PM    3 E WEATHERBY             MO   70 MPH TSTM GUST
05/17/01   DAVIESS

Local storm report, May 17, 1:57 PM CDT, 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
157 PM CDT THU MAY 17 2001

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

0115 PM    EASTON                    MO   1 INCH HAIL
05/17/01   BUCHANAN                       REPORTED BY PUBLIC.

0138 PM    1 E COFFEY                MO   FLOOD
05/17/01   DAVIESS                        3-4 FEET OVER ROUTE B.
                                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

0138 PM    2 S TRENTON               MO   FLOOD
05/17/01   GRUNDY                         REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.
                                          WATER 1.5 FEET DEEP
                                          OVER HWY 65.

Local storm report, May 17, 2:18 PM CDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
218 PM CDT THU MAY 17 2001

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

0212 PM    WESTON                    MO   70 MPH TSTM GUST
05/17/01   PLATTE

0212 PM    WESTON                    MO   .75 INCH HAIL
05/17/01   PLATTE

The office that day

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

Issued	Product	Office	Counties	Lasted
May 17, 1:20 AM CDT	Severe Thunderstorm Warning	EAX	Atchison, Nodaway	55 min
May 17, 3:31 AM CDT	Severe Thunderstorm Warning	EAX	Nodaway	44 min
May 17, 3:52 AM CDT	Severe Thunderstorm Warning	EAX	Worth	43 min
May 17, 4:05 AM CDT	Severe Thunderstorm Warning	EAX	Putnam	40 min
May 17, 8:34 AM CDT	Severe Thunderstorm Warning	EAX	Harrison	26 min
May 17, 10:45 AM CDT	Severe Thunderstorm Warning	EAX	Sullivan	45 min
May 17, 11:37 AM CDT	Severe Thunderstorm Warning	EAX	Grundy	38 min
May 17, 11:44 AM CDT	Severe Thunderstorm Warning	EAX	Andrew	46 min
May 17, 12:20 PM CDT	Severe Thunderstorm Warning	EAX	DeKalb	40 min
May 17, 12:32 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy	58 min
May 17, 12:55 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Clinton	65 min
May 17, 1:33 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Linn	57 min
May 17, 1:35 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Ray	40 min
May 17, 1:41 PM CDT	Severe Thunderstorm Warning	EAX	Carroll	49 min
May 17, 1:53 PM CDT	Severe Thunderstorm Warning	EAX	Platte	37 min
May 17, 2:05 PM CDT	Severe Thunderstorm Warning	EAX	Clay	40 min
May 17, 2:21 PM CDT	Flash Flood Warning	EAX	Carroll	114 min
May 17, 2:45 PM CDT	Flash Flood Warning	EAX	Livingston	2 hr
May 17, 2:48 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Jackson	42 min
May 17, 2:55 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette, Ray	50 min
May 17, 3:05 PM CDT	Severe Thunderstorm Warning	EAX	Howard	40 min
May 17, 3:46 PM CDT	Severe Thunderstorm Warning	EAX	Howard	44 min
May 17, 3:55 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Pettis	65 min
May 17, 4:00 PM CDT	Tornado Warning	EAX	Howard	45 min
May 17, 4:21 PM CDT	Flash Flood Warning	EAX	Carroll	114 min
May 17, 5:23 PM CDT	Severe Thunderstorm Warning	EAX	Bates	37 min
May 17, 6:38 PM CDT	Flash Flood Warning	EAX	Carroll	97 min
May 17, 6:44 PM CDT	Flash Flood Warning	EAX	Daviess	76 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.