Alert archive / Missouri / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 122, NWS Kansas City, MO

June 18, 1998Cooper County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 18, 1998, 5:09 PM CDT for Cooper County, Missouri. It was in force for 51 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: Jun 18, 1998, 5:09 PM CDT (22:09 UTC)
Expired: Jun 18, 1998, 6:00 PM CDT
In force: 51 min
Issued by: NWS Kansas City, MO
Area: Whole counties

County Cooper County, MO

What was reported inside it

Time	Report	Where	Remark
Jun 18, 5:20 PM CDT	Thunderstorm Wind 60	Otterville, MO	Thunderstorm winds knocked down a a large tree limb onto a power line in Otterville.

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
Jun 18, 4:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.2 hours before the alert went out and 233 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: 1617 J/kg
Mixed-layer CIN: -157 J/kg
Mixed-layer LCL: 1094 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 247 m²/s²
0-3 km storm-relative helicity: 264 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Jun 18, 2:34 PM CDT, 2 hours 35 minutes earlier.

Area forecast discussion, Jun 18, 2:34 PM CDT, 2 hours 35 minutes before

AREA FORECAST DISCUSSION...CORRECTED
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
234 PM CDT THU JUN 18 1998

TIME FOR DISCUSSION LIMITED DUE TO ONGOING SEVERE WEATHER.  SQUALL
LINE BISECTING CWA THIS AFTERNOON WILL CONTINUE TO THREATEN EASTERN
HALF OF CWA INTO THE EARLY EVENING...SO WILL MENTION SCATTERED TSRA
THIS EVENING IN THESE AREAS.  THUNDER THREAT WILL LIKELY BE OVER FOR
THE NORTHWEST BY ZONE ISSUANCE TIME...BUT FOR SIMPLICITY SAKE WILL
MENTION CHANCE POPS IN THESE AREAS AND CLEAN UP AS IMMEDIATE WARNING
THREAT TAPERS OFF.  WILL HIT ZONE WORDING HARD FOR SEVERE THREAT
ACROSS THE REMAINDER OF CWA THIS EVENING...AS STORMS ARE PRODUCING
NUMEROUS REPORTS OF DAMAGING WINDS UP TO 70 MPH AND GOLFBALL TO
BASEBALL SIZE HAIL.

REMAINDER OF THE FORECAST PRETTY STRAIGHT FORWARD.  FROPA WILL BRING
LITTLE IN THE WAY OF COOLING FOR THE AREA THROUGH SATURDAY AS
WESTERLY COMPONENT OF WIND SHOULD HELP TO BRING IN SOMEWHAT DRIER
AIR.  LOTS OF SUNSHINE WILL HELP TEMPERATURES TO CLIMB BACK INTO THE
UPPER 80S TO NEAR 90.  WILL BUMP GOING FORECAST TEMPS A TAD.  DRY
WEATHER TO CONTINUE INTO EARLY NEXT WEEK. ETA SOLUTION OF SURFACE
LOW DEVELOPMENT OVER NORTH CENTRAL KS BY SATURDAY LOOKS A LITTLE
SUSPECT...AND FEEL NGM POSITION FURTHER NORTH LOOKS MORE REALISTIC.

MOS GUIDANCE TEMPS NOT TOO BAD...BUT WILL TRIM BACK A TAD ON HIGHS
FRIDAY AND SATURDAY.

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

HUDSON

In the hours before

Local storm report, Jun 18, 4:49 PM CDT, 20 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
449 PM CDT THU JUN 18 1998

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

0403 PM    ARCHIE                    MO    65 MPH TSTM GUST
06/18/98   CASS

Special weather statement, Jun 18, 4:50 PM CDT, 19 minutes before

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Local storm report, Jun 18, 5:02 PM CDT, 7 minutes before

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Local storm report, Jun 18, 5:02 PM CDT, 7 minutes before

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Local storm report, Jun 18, 5:09 PM CDT, 0 minutes before

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Local storm report, Jun 18, 5:09 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 7:48 AM CDT	Severe Thunderstorm Warning	EAX	Pettis	42 min
Jun 18, 8:35 AM CDT	Severe Thunderstorm Warning	EAX	Pettis, Saline	55 min
Jun 18, 9:08 AM CDT	Severe Thunderstorm Warning	EAX	Chariton	52 min
Jun 18, 10:30 AM CDT	Severe Thunderstorm Warning	EAX	Cooper	45 min
Jun 18, 11:50 AM CDT	Severe Thunderstorm Warning	EAX	Macon	55 min
Jun 18, 11:56 AM CDT	Severe Thunderstorm Warning	EAX	Adair	34 min
Jun 18, 1:00 PM CDT	Severe Thunderstorm Warning	EAX	Andrew, Holt, Nodaway	30 min
Jun 18, 1:34 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Nodaway, Worth	41 min
Jun 18, 1:40 PM CDT	Severe Thunderstorm Warning	EAX	Platte	55 min
Jun 18, 1:44 PM CDT	Severe Thunderstorm Warning	EAX	Clay	61 min
Jun 18, 1:59 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	61 min
Jun 18, 2:08 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Ray	62 min
Jun 18, 2:28 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Livingston	32 min
Jun 18, 2:45 PM CDT	Severe Thunderstorm Warning	EAX	Clay	40 min
Jun 18, 2:54 PM CDT	Severe Thunderstorm Warning	EAX	Cass	96 min
Jun 18, 3:00 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	60 min
Jun 18, 3:13 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette, Ray	77 min
Jun 18, 3:30 PM CDT	Severe Thunderstorm Warning	EAX	Bates	75 min
Jun 18, 3:33 PM CDT	Severe Thunderstorm Warning	EAX	Carroll	42 min
Jun 18, 3:48 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Macon	42 min
Jun 18, 3:53 PM CDT	Severe Thunderstorm Warning	EAX	Schuyler	52 min
Jun 18, 4:09 PM CDT	Severe Thunderstorm Warning	EAX	Henry	81 min
Jun 18, 4:26 PM CDT	Severe Thunderstorm Warning	EAX	Macon, Randolph	49 min
Jun 18, 4:30 PM CDT	Severe Thunderstorm Warning	EAX	Saline	60 min
Jun 18, 4:49 PM CDT	Severe Thunderstorm Warning	EAX	Pettis	56 min
Jun 18, 12:48 PM CDT	Severe Thunderstorm Warning	EAX	Doniphan	42 min
Jun 18, 1:07 PM CDT	Severe Thunderstorm Warning	EAX	Leavenworth	43 min
Jun 18, 2:15 PM CDT	Severe Thunderstorm Warning	EAX	Johnson	60 min
Jun 18, 2:39 PM CDT	Severe Thunderstorm Warning	EAX	Miami	81 min
Jun 18, 3:03 PM CDT	Severe Thunderstorm Warning	EAX	Linn	27 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1998 Every severe thunderstorm warning in 1998

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.