Alert archive / Missouri / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 247, NWS Kansas City, MO

July 25, 2001Andrew County, Holt County, Nodaway County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jul 25, 2001, 1:10 AM CDT for Andrew County, Holt County, Nodaway 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jul 25, 2001, 1:10 AM CDT (06:10 UTC)
Expired: Jul 25, 2001, 2:00 AM CDT
In force: 50 min
Issued by: NWS Kansas City, MO
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Andrew County, MO, Holt County, MO, Nodaway County, MO

The radar

The Pleasant Hill radar (KEAX), 161 km from the middle of the area, began a volume at 06:10 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
Jul 25, 1:30 AM CDT	Thunderstorm Wind 57 E	Fillmore, MO	2 foot diameter tree blown over crushing truck.

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
Jul 24, 10:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jul 24, 11:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 25, 12:00 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 6.2 hours before the alert went out and 143 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: 2387 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 2041 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 140 m²/s²
0-3 km storm-relative helicity: 277 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 28.5

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KEAX 250609
SVRMCI

MOC003-087-147-250700-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 
110AM CDT WED JUL 25 2001

THE NATIONAL WEATHER SERVICE IN PLEASANT HILL HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ANDREW COUNTY IN NORTHWEST MISSOURI
  NORTHEASTERN HOLT COUNTY IN NORTHWEST MISSOURI
  SOUTHERN NODAWAY COUNTY IN NORTHWEST MISSOURI

* UNTIL 200 AM CDT

* AT 108 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES NORTHEAST OF MOUND CITY...OR ABOUT 
  19 MILES SOUTHWEST OF MARYVILLE...MOVING EAST-SOUTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GRAHAM AT 115 AM CDT
  BARNARD AT 135 AM CDT
  BOLCKOW AT 140 AM CDT
  ROSENDALE AT 145 AM CDT
  WHITESVILLE AT 150 AM CDT

THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE HAIL UP TO 1 INCH IN
DIAMETER...AND WINDS IN EXCESS OF 60 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.

LAT...LON 4032 9508 4014 9529 3990 9463 4014 9464

BUNTING

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 Jul 25, 1:00 AM CDT, 10 minutes earlier.

Area forecast discussion, Jul 25, 1:00 AM CDT, 10 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
100 AM CDT WED JUL 25 2001

FORECAST CONCERNS: MAIN CONCERN MAINLY IN THE SHORT TERM WITH
DEVELOPING MCS. AFTER MCS...PRECIP CHANCES AND TEMPS ARE MAIN
CONCERN AND DEPEND HEAVILY ON SWD MOVEMENT OF FNT.

CONVECTION DEVELOPED QUICKLY AHEAD OF SLOW MVG FNT ACR NRN MO AND
EXTND WEST INTO NCNTRL MO. WK-MDT LLJ OF 20-30 KT AND LIFTED INDICES
AROUND -6 AIDING STG CONVECTION WITH A FEW HAIL REPORTS. SFC-3KM SHR
OF 25KTS AS PER PROFILERS AIDING IN SHORT LIVED LINE SEGMENTS
PRODUCING DAMAGING WINDS.

SLO MVG FNT AND SHRTWV IN XTRM NWRN KS TO AID IN DEVELOPMENT OF
CONVECTIVE COMPLEX THIS MORNING WITH COLD POOL DYNAMICS AND FRONT TO
FORCE LEADING EDGE OF CONVECTION TO DRIFT SOUTH ACR CWA THIS MORNING.
SEVERE THREAT WL DIMINISH AS THE MORNING HOURS PROGRESS TO DUE TO
DECREASING LLJ...INSTABILITY AND MID LVL WINDS FIELDS AS PER ETA.
HAVE SOME CONCERN ABOUT FLASH FLOODING...HOWEVER...MOST GUIDANCE VALUES
QUITE HI. COLD POOL DYNAMICS IN WK SHR ENVIRONMENT SHOULD TEND TO
DRIVE STRONGEST CONVECTION SLOWLY SWD...THUS LIMITING EXTREMELY
HEAVY RAINFALL AMOUNTS TO ISOLATED AREAS. HOWEVER...WL MONITOR
THREAT IN NRN ZONES IF CONVECTION MAY LINGER FOR A COUPLE OF MORE
HOURS BEFORE COMPLEX MATURES.

NGM DIFFERS FM ETA/AVN IN LINGERING THREAT OF CONVECTION THROUGH
THURSDAY NGT AS NGM NOT AS BULLISH IN PUSHING FNT INTO XTRM SRN MO
AS THE ETA/AVN SUGGESTS. ALTHOUGH ETA/AVN MAY BE PUSHING FNT A LTL
TOO FAR SOUTH...BLV NGM TOO FAR NORTH AS CONVECTIVE COMPLEX SHOULD
AID THE SWD DRIVE OF COOLER AND DRIER AIR MASS. MCS ALSO TO PUSH SFC
CONVERGENCE ZONE OUT OF CWA TNGT. WL KEEP CHC POPS FOR SRN ZONES
TNGT AS FNT AND SWD PUSH OF MCS STILL SOMEWHAT UNCERTAIN. OTHERW
AGREE WITH AVN/ETA THAT NEXT SHRTWV TO PUSH FNT BACK NORTH WITH
THREAT OF PRECIP LATE THURSDAY NIGHT OR FRIDAY...MAINLY WRN ZONES.

WITH THE CONVECTIVE COMPLEX AND SLIGHTLY COOLER AND DRIER AIR
FILTERING SOUTH INTO CWA TODAY...TEMPS SIGNIFICANTLY COOLER TODAY
AND WL CANCEL HEAT WARNING FOR SRN HALF OF CWA.

.EAX...
MO...SVR WATCH 623 AND 624 UNTIL 5 AM
KS...SVR WATCH 623 AND 624 UNTIL 5 AM

DB

In the hours before

Local storm report, Jul 24, 11:17 PM CDT, 1 hour 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1117 PM CDT TUE JUL 24 2001

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

1114 PM    5 N BETHANY               MO   60 MPH TSTM GUST
07/24/01   HARRISON                       REPORTED BY HAM RADIO
                                          OPERATOR.

Local storm report, Jul 24, 11:27 PM CDT, 1 hour 43 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1127 PM CDT TUE JUL 24 2001

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

1103 PM    3 W MILAN                 MO   60 MPH TSTM GUST
07/24/01   SULLIVAN                       50 TO 60 MPH WINDS
                                          REPORTED AT THE
                                          INTERSECTION OF
                                          HIGHWAYS E AND PP.
                                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

Local storm report, Jul 24, 11:39 PM CDT, 1 hour 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1139 PM CDT TUE JUL 24 2001

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

1125 PM    BETHANY                   MO   64 MPH TSTM GUST
07/24/01   HARRISON                       MEASURED WIND GUST.
                                          REPORTED BY HAM RADIO
                                          OPERATOR.

1134 PM    STANBERRY                 MO   .75 INCH HAIL
07/24/01   GENTRY                         REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

Local storm report, Jul 24, 11:59 PM CDT, 1 hour 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1159 PM CDT TUE JUL 24 2001

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

1151 PM    TRENTON                   MO   62 MPH TSTM GUST
07/25/01   GRUNDY                         REPORTED BY HAM RADIO
                                          OPERATOR. MEASURED WIND
                                          GUST.

1152 PM    2 N TRENTON               MO   65 MPH TSTM GUST
07/25/01   GRUNDY                         WIND ESTIMATED.
                                          REPORTED BY HAM RADIO
                                          OPERATOpR.

Local storm report, Jul 25, 12:10 AM CDT, 1 hour before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1209 PM CDT WED JUL 25 2001

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

1150 PM    JAMESPORT                 MO   WIND DAMAGE
07/24/01   DAVIESS                        REPORTED BY HAM RADIO
                                          OPERATOR. POWER LINES
                                          DOWN.

Local storm report, Jul 25, 12:20 AM CDT, 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1219 PM CDT WED JUL 25 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNT5Y LOCATION....

1205 PM    3 N LOCK SPGS             MO   59 MPH TSTM GUST
07/25/01   DAVIESS                        REPORTED BY HAM RADIO
                                          OPERATOR.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 9:25 PM CDT	Severe Thunderstorm Warning	EAX	Harrison, Mercer	65 min
Jul 24, 9:47 PM CDT	Severe Thunderstorm Warning	EAX	Nodaway, Worth	58 min
Jul 24, 10:03 PM CDT	Severe Thunderstorm Warning	EAX	Putnam	42 min
Jul 24, 10:24 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Sullivan	51 min
Jul 24, 10:34 PM CDT	Severe Thunderstorm Warning	EAX	Harrison	56 min
Jul 24, 10:45 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Nodaway, Worth	45 min
Jul 24, 11:30 PM CDT	Severe Thunderstorm Warning	EAX	Gentry	45 min
Jul 24, 11:43 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Mercer	62 min
Jul 25, 12:09 AM CDT	Severe Thunderstorm Warning	EAX	Adair	36 min
Jul 25, 1:19 AM CDT	Severe Thunderstorm Warning	EAX	Macon, Randolph	41 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; radar from the NEXRAD Level II archive.