Alert archive / Missouri / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 32, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at May 2, 1997, 7:38 PM CDT for Mercer County, Putnam County, Missouri. It was in force for 52 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 2, 1997, 7:38 PM CDT (00:38 UTC)
- Expired
- May 2, 1997, 8:30 PM CDT
- In force
- 52 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
Counties Mercer County, MO, Putnam County, MO
The radar
The Des Moines radar (KDMX), 147 km from the middle of the area, began a volume at 00:37 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 |
|---|---|---|---|
| May 2, 7:55 PM CDT | Hail 1.25 | Powersville, MO | A Putnam County resident reported half dollar -size hail 2 miles southwest of Powersville. The county sheriff office reported nickel-size hail coverering the ground at Lake Thunderhead. |
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 nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 0.6 hours before the alert went out and 258 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1444 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- -17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMCI 030038 RRA
SVRMCI
MOC129-171-030130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
738 PM CDT FRI MAY 2 1997
* SEVERE THUNDERSTORM WARNING FOR
NORTHEASTERN MERCER COUNTY - NORTH CENTRAL MISSOURI
PUTNAM COUNTY - NORTH CENTRAL MISSOURI
* UNTIL 830 PM CDT
* SOME LOCATIONS AFFECTED
CLEOPATRA BY 745 PM
POWERSVILLE BY 750 PM
NORTH OF UNIONVILLE BY 820 PM
* AT 737 PM WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM 2 MILES EAST OF MERCER MOVING EAST AT 25 MPH.
NUMEROUS REPORTS OF DIME TO QUARTER SIZE HAIL HAVE BEEN RECIEVED
WITH THIS STORM
PEOPLE IN THE PATH OF THIS STORM CAN EXPECT HAIL UP TO PING PONG
BALL SIZE...OR 1.5 INCHES IN DIAMETER.
WHEN THUNDERSTORMS ARE OCCURRING...DO NOT USE TELEPHONES OR OTHER
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY.
WELVAERTWhat 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 2, 2:52 PM CDT, 4 hours 46 minutes earlier.
Area forecast discussion, May 2, 2:52 PM CDT, 4 hours 46 minutes before
NORTHWEST MISSOURI FORECAST DISCUSSION NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO 252 PM CDT FRI MAY 2 1997 UPR LOW SPINNING ALNG KS/NE BRDR WITH SFC LOW VCNTY 3OI. CDFNT TRAILING SWD TO WC/SW MO. UPR SYS TO MOVE ACRS AREA TONITE WITH CDFNT EXITING AREA EARLY EVE. WRAP ARND PCPN THE CONCERN TONITE WITH TEMPS THE PROBLEM FOR REMAINDER OF FCST. DRY SLOT HAS WRAPPED IN BEHIND CDFNT WITH SUN BREAKING OUT. THIS ACTING TO DESTABLIZE AMS SOMEWHAT FOR CU SCTD SHRA ACTIVITY. TEMPS HAVE REALLY SHOT UP WITH EARLY MAY SUN. BUT...STILL DONT EXPECT THIS TO BE TOO WIDESPREAD THIS EVE DESPITE VRY LOW LI/HIGH TT PARAMETERS. STILL...SHOULD BE DECENT WRAP ARND PCPN TONITE MOST AREAS AND WILL HANG ON TO POPS. COLD POOL ALFT WILL ALLOW FOR RATHER STEEP LAPSE RATES AND LOW TOP CONVECTION CANT BE RULED OUT. WILL MAKE DESISION AT LAST MINUTE WHETHER TO INCLUDE THUNDER IN ZONES. OTHER CONCERN IS POTENTIAL THAT SOME -SN COULD BE MIXED IN OVR NRN ZONES. STNG CAA EVIDENT AND LLVL THICKNESS SEEMS TO SUGGEST THIS IS PSBL. COORD DSM/OMA AND AGREE THAT CLDS WILL LIKELY LIMIT SFC TEMP DROP...AND AS SUCH WILL LEAVE MENTION OF THE S WORD OUT. AFTER ALL...IT IS MAY (I THINK). STILL...WITH COLD TEMPS/THKNS THINK PLENTY OF SMALL HAIL OR EVEN SLEET WILL BE PSBL WITH ANY TSRA TONITE...ESP ACRS NW MO. WILL PASS ON CONCERNS TO EVE SHIFT. CAA CONTS IN FORCE DURG DAY SAT AND SOME LLVL RH HANGING ARND... ESP EARLY IN DAY. THUS THINK THERE WILL BE A GOOD DEAL OF WRAP ARND SC ARND...AND EVEN CU DVLPT BEHIND. THIS WILL KEEP DAY QUITE CHILLY FOR EARLY MAY...AND SETS STAGE FOR EVEN CHILLYER NIGHT. SFC RIDGE PROGGD PASS OVRHEAD...AND WITH LGT WNDS/CLR SKIES THERE IS GREAT SETUP FOR RADIATIONAL COOLING. THINK MDLS BANKING ON CLIMO TOO MUCH AND WILL GO BLO GUID. GETTING CLOSE TO RECORD LOWS. FROST A DEFINATE POSSIBILITY AS WELL AND LATER SHIFTS WILL NEED TO MONITOR THIS TOO. CANT BELIEVE ALL OF THIS IN MAY FINALLY SOME RELIEF FOR SUNDAY AS WE GET ON THE BACKSIDE OF THE HIGH AND WAA BEGINS. BEST SW FLOW DOESNT QUITE GET HERE AND THINK FWC GUID A BIT OPTIMISTIC. WILL SHADE TO THE LWR FAN. MCI BB 040/056 038/068 050 995-0 WELVAERT
In the hours before
Local storm report, May 2, 7:22 PM CDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MISSOURI
1114 PM CDT FRI MAY 2 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
534 PM 1 W OF GRANT CITY MO 0.75 INCH HAIL
5/2/97 WORTH REPORTED BY SHERIFF
539 PM 1 W OF GRANT CITY MO 1.75 INCH HAIL
5/2/97 WORTH SHERIFF REPORTED HAIL
2 INCHES DEEP
655 PM 2 SE CHULA MO 0.75 INCH HAIL
5/2/97 LIVINGSTON REPORTED BY SHERIFF
653 PM 4 NE OF BLYTTHEDALE MO 0.75 INCH HAIL
5/2/97 HARRISON REPORTED BY SHERIFF
655 PM 3 SE OF ANDOVER MO 1.00 INCH HAIL
5/2/97 HARRISON REPORTED BY PUBLIC
x705 PM SALINE MO 1.00 INCH HAIL
5/2/97 MERCER REPORTED BY PUBLIC
JULYLocal storm report, May 2, 7:22 PM CDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT.
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MISSOURI
722 PM CDT FRI MAY 2 1997
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
534 PM 1 W OF GRANT CITY MO DIME-SIZE HAIL REPORTED BY
5/2/97 WORTH SHERIFFS OFFICE
539 PM 1 W OF GRANT CITY MO SHERIFFS OFFICE REPORTED
5/2/97 WORTH GOLFBALL-SIZE HAIL AND HAIL
COVERING GROUND 2 INCHES
DEEP
655 PM 2 SE CHULA MO SHERIFFS OFFICE REPORTED
5/2/97 LIVINGSTON DIME-SIZE HAIL
653 PM 4 NE OF BLYTTHEDALE MO PUBLIC REPORTED DIME-SIZE HAIL
5/2/97 HARRISON
655 PM 3 SE OF ANDOVER MO PUBLIC REPORTED QUARTER-SIZE
5/2/97 HARRISON HAIL
705 PM SALINE MO PUBLIC REPORTED ONE INCH HAIL
5/2/97 MERCER
BODNERThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 9:26 PM CDT | Severe Thunderstorm Warning | EAX | Schuyler | 34 min |
| May 2, 9:37 PM CDT | Severe Thunderstorm Warning | EAX | Macon | 23 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1997Every severe thunderstorm warning in 1997
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.