Alert archive / Missouri / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 36, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at May 7, 1997, 5:01 PM CDT for Atchison County, Missouri. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 7, 1997, 5:01 PM CDT (22:01 UTC)
- Expired
- May 7, 1997, 5:45 PM CDT
- In force
- 44 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
County Atchison County, MO
The radar
The Omaha radar (KOAX), 127 km from the middle of the area, began a volume at 22:03 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 7, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 10.0 hours before the alert went out and 127 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
- 963 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 155 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMCI 072200 RRA
SVRMCI
MOC005-072245-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO
501 PM CDT WED MAY 7 1997
* SEVERE THUNDERSTORM WARNING FOR
ATCHISON COUNTY - NORTHWEST MISSOURI
* UNTIL 545 PM CDT
* SOME LOCATIONS AFFECTED
NISHNABOTNA BY 505 PM
FAIRFAX BY 530 PM
* AT 455 PM CDT WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM 15 MILES WEST OF FAIRFAX MOVING EAST AT 30 MPH.
THIS STORM HAS A HISTORY OF PRODUCING DIME SIZE HAIL.
PEOPLE IN THE PATH OF THIS STORM CAN EXPECT HAIL UP TO ONE INCH IN
DIAMETER AND WIND GUSTS TO 60 MPH
SEVERE THUNDERSTORMS PRODUCE LARGE HAIL AND DAMAGING WINDS. FOR
YOUR SAFETY...MOVE INDOORS AND STAY AWAY FROM WINDOWS.
HUDSONWhat 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 7, 2:35 PM CDT, 2 hours 26 minutes earlier.
Area forecast discussion, May 7, 2:35 PM CDT, 2 hours 26 minutes before
NORTHWEST MISSOURI FORECAST DISCUSSION NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO 235 PM CDT WED MAY 7 1997 PRETTY DRAMATIC MOISTURE INCRS SINCE THIS AM...AS WM FRONT HAS LIFTED NEWD. SIGNIFICANT DESTABILIZATION HAS RESULTED...BUT WERE WAITING ON THE LIFT. COLD FRONT TRYING TO INITIATE TSRA ACTIVITY TO OUR W AND NW...WHICH...ONCE IT GETS GOING...SHOULD HAVE NO PROBLEM ROLLING THRU FA IN 22Z-05Z TIME FRAME. PRETTY UNSTABLE...BUT MID LEVEL WINDS A BIT WEAK AND REAL GOOD SHEAR SORT OF LACKING. CURRENT ZONES ALREADY HAVE SVR MENTIONED FOR ENTIRE CWA AND WILL LEAVE AS SUCH GIVEN INSTBY. HOWEVER...AM A LITTLE CONCERNED THAT TSRA WILL HAVE A HARD TIME WORKING EASTWARD WITH FRONT NOT MOVING THAT QUICKLY AND MID-LEVEL WINDS SO WEAK. NGM ABOUT 3-5 HRS FASTER WITH FROPA THAN ETA. PREFER ETA SOLN GIVEN LACK OF GOOD PRESS RISES BEHIND FRONT AND UPR WAVE HANGING BACK UNTIL 12Z. THEREFORE...FIGURE WILL STAY ABV GUIDANCE TEMPS TNGT. PRETTY RAPID DRYING OF AMS BEHIND FRONT FOR THU. SHOULD SEE QUITE A BIT OF SUN TMRW...SO WILL HAVE TO BALANCE STRONG MAY SUN WITH MDT CAA. FAN GUIDANCE LOOKS A LITTLE COOL IF WE MIX OUT TO 850 MB TMRW...FWC CLOSER. EITHER WAY THO...WILL PROBABLY HAVE TO TRIM CURRENT HIGHS A BIT. DESPITE CLR SKIES FOR THU NIGHT...DOESNT LOOK LIKE WINDS WILL DROP OFF TO NOTHING WITH SFC RIDGE TO W. THEREFORE...THINK GUIDANCE LOOKS A LITTLE COOL. FRI SHD BE REALLY NICE...THO MAYBE STILL A BIT BLO NORM AS SFC RIDGE MOVES OVHD. USING AVN 850 TEMPS...A BLEND OF FAN AND FWC SEEMS TO BE IN ORDER. MCI BU 054/067 044/069 045 99610 JM
In the hours before
Special weather statement, May 7, 1:00 PM CDT, 4 hours 1 minute before
KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-081200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO 100 PM CDT WED MAY 7 1997 ...RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT... FORECAST: SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE MAINLY SOUTH OF THE OUTLOOK AREA THROUGH THE AFTERNOON HOURS. THESE STORMS COULD WORK INTO THE MOUND CITY AND BUTLER AREAS...BUT ARE NOT EXPECTED TO BECOME SEVERE. THUNDERSTORMS WILL RE-DEVELOP THIS AFTERNOON ACROSS EASTERN KANSAS AND SOUTHEAST NEBRASKA. THESE STORMS ARE EXPECTED TO MOVE EASTWARD THROUGH THE OUTLOOK AREA AFTER ABOUT 4 PM. A FEW OF THESE STORMS MAY BE SEVERE LATE THIS AFTERNOON AND THIS EVENING. THE MAIN THREAT WOULD BE FROM LARGE HAIL AND DAMAGING WINDS. SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND TONIGHT. DISCUSSION: MOISTURE IS RAPIDLY INCREASING ACROSS THE OUTLOOK AREA. THE INCREASE IN MOISTURE HAS HELPED TO DESTABILIZE THE ATMOSPHERE...WITH SOME ADDITIONAL DESTABILIZATION LIKELY DURING THE AFTERNOON HOURS. A COLD FRONT TO THE NORTHWEST WILL TRACK TOWARD THE AREA THIS EVENING. THIS FRONT SHOULD HELP TO FOCUS THUNDERSTORM DEVELOPMENT TO OUR WEST AND EVENTUALLY PUSH THE ACTIVITY EASTWARD INTO THE AREA. THE WIND SHEAR IS NOT REAL STRONG...BUT THE AIRMASS SHOULD BE UNSTABLE ENOUGH FOR SOME OF THE THUNDERSTORMS TO REACH SEVERE LEVELS. JM
Special weather statement, May 7, 1:02 PM CDT, 3 hours 59 minutes before
KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-081200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PLEASANT HILL/KANSAS CITY MO 100 PM CDT WED MAY 7 1997 ...RISK FOR SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT... FORECAST: SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE MAINLY SOUTH OF THE OUTLOOK AREA THROUGH THE AFTERNOON HOURS. THESE STORMS COULD WORK INTO THE MOUND CITY AND BUTLER AREAS...BUT ARE NOT EXPECTED TO BECOME SEVERE. THUNDERSTORMS WILL RE-DEVELOP THIS AFTERNOON ACROSS EASTERN KANSAS AND SOUTHEAST NEBRASKA. THESE STORMS ARE EXPECTED TO MOVE EASTWARD THROUGH THE OUTLOOK AREA AFTER ABOUT 4 PM. A FEW OF THESE STORMS MAY BE SEVERE LATE THIS AFTERNOON AND THIS EVENING. THE MAIN THREAT WOULD BE FROM LARGE HAIL AND DAMAGING WINDS. SPOTTER ACTIVATION MAY BE NEEDED LATE THIS AFTERNOON AND TONIGHT. DISCUSSION: MOISTURE IS RAPIDLY INCREASING ACROSS THE OUTLOOK AREA. THE INCREASE IN MOISTURE HAS HELPED TO DESTABILIZE THE ATMOSPHERE...WITH SOME ADDITIONAL DESTABILIZATION LIKELY DURING THE AFTERNOON HOURS. A COLD FRONT TO THE NORTHWEST WILL TRACK TOWARD THE AREA THIS EVENING. THIS FRONT SHOULD HELP TO FOCUS THUNDERSxTORM DEVELOPMENT TO OUR WEST AND EVENTUALLY PUSH THE ACTIVITY EASTWARD INTO THE AREA. THE WIND SHEAR IS NOT REAL STRONG...BUT THE AIRMASS SHOULD BE UNSTABLE ENOUGH FOR SOME OF THE THUNDERSTORMS TO REACH SEVERE LEVELS. JM
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 4:11 PM CDT | Severe Thunderstorm Warning | EAX | Atchison | 49 min |
| May 7, 5:17 PM CDT | Severe Thunderstorm Warning | EAX | Holt | 58 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.