Severe Thunderstorm Warning 102, NWS Tulsa, OK

AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA
NATIONAL WEATHER SERVICE TULSA OK
854 PM CDT THU APR 14 1994

STG CAP OVR FA XPCTD TO HOLD FOR SVRL MORE HRS UNTIL COLD FRONT NOW
APCHG ICT PROVIDES THE NECESSARY UVM TO TRIGGER TRW. COLD FRONT XPCTD
TO MOVE SEWD INTO FA TONITE...MUCH AS IN AFTN PKG. ATMOSPHERE OVR SRN
ZNS IS STGLY CAPPED...AND NOT SURE HOW FAR SOUTH THE TRW CAN FIRE
ON THE FRONT DESPITE SOME MOD/STG CONVERGENCE. WL KEEP POPS THE SAME
AS IN AFTN PKG WITH NO CHGS PLANNED. AN ISOLD TRW HAS FIRED IN SE KS
ABT 7 SW OF CNU...AHD OF COLD FRONT NR THE MOIST AXIS AND LEFT OF THE
LLJ.

SVR TRW LIKELY IF CAP IS BROKEN AND EVE SNDGS SHOW STG INSTBY PRESENT.
USING A BLYR PARCEL GIVES LI OF -9/-10 THRU MOST OF THE NITE WITH
POS ENERGY OF ARND 3000 J/KG. WL KEEP MENTION OF SVR IN ZNS. LOCAL
HELICITY PGM BASED ON PROFILER WNDS SUGGEST HIEST HELICITY VALUES ON
A JLN-MKO-ADM AXIS.

WL ONLY MODIFY WORDING OF 1ST AND 2ND PDS OF ZNS FOR THIS UPDAT.

                                                  /9

.TUL...NONE.

OKC035-105-113-115-117-143-150515-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1114 PM CDT THU APR 14 1994

AT 1114 PM SHOWERS WERE DEVELOPING IN SOUTHEAST KANSAS FROM 45 MILES
WEST OF CHANUTE TO 30 MILES NORTH OF PONCA CITY. THESE SHOWERS WERE
DEVELOPING ALONG A COLD FRONT THAT WAS MOVING SOUTHEAST TOWARD NORTHEAST
OKLAHOMA. CONDITIONS APPEAR FAVORABLE FOR THESE SHOWER TO DEVELOP INTO
THUNDERSTORMS BETWEEN NOW AND MIDNIGHT. IF ST`ORMS DO FORM...A FEW OF
THEM WOULD LIKELY BECOME SEVERE.

STAY TUNED TO THIS STATION FOR FURTHER INFORMATION FROM THE NATIONAL
WEATHER SERVICE.

OKZ054>063-150600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1153 PM CDT THU APR 14 1994

AT 1153 PM RADAR INDICATED THAT STRONG TO SEVERE THUNDERSTORMS HAD
RAPIDLY DEVELOPED IN SOUTHEAST KANSAS FROM 40 MILES WEST OF CHANUTE TO
40 MILES NORTH OF PONCA CITY.

THESE STORMS HAVE DEVELOPED ON A COLD FRONT THAT WAS ADVANCING TOWARD
NORTHEAST OKLAHOMA.  THIS LINE OF STORMS MAY DEVELOP INTO NORTH CENTRAL
OKLAHOMA...WHILE IT SHIFTS SOUTHEAST INTO NORTHEAST OKLAHOMA.

PERSONS IN NORTHEAST OKLAHOMA SHOULD BE READY FOR A PERIOD OF STRONG TO
SEVERE THUNDERSTORMS DURING THE LATE NIGHT HOURS.

STAY TUNED TO THIS STATION FOR FURTHER INFORMATION FROM THE NATIONAL
WEATHER SERVICE.

OKC113-117-150600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
MIDNIGHT CDT FRI APR 15 1994

RAPID THUNDERSTORM DEVELOPMENT IS EXPECTED IN NORTHWEST OSAGE COUNTY
BETWEEN NOW AND 100AM.

THE LINE OF STORMS IN SOUTHEAST KANSAS IS SHOWING SIGNS OF DEVELOPING
SOUTHWEST AND IT APPEARS LIKELY THAT THUNDERSTORMS WILL SOON DEVELOP IN
NORTHWEST OSAGE COUNTY.

IF THE STORMS DO DEVELOP THEY WILL BECOME SEVERE.  PERSONS IN
OSAGE COUNTY SHOULD LISTEN CLOSELY FOR THE LATEST WEATHER INFORMATION.

IF THE STORMS CONTINUE TO DEVELOP SOUTHWEST THEN THEY MAY BEGIN TO
AFFECT PARTS OF NORTHERN PAWNEE COUNTY AS WELL.

OKC105-113-143-147-150700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1257 AM CDT FRI APR 15 1994

AT 1255 AM CDT A LINE OF STRONG TO SEVERE THUNDERSTORMS EXTENDED ACROSS
SOUTHEAST KANSAS AND EXTREME NORTHEAST OKLAHOMA. THE LEADING EDGE OF
THIS LINE OF STORMS EXTENDED FROM CHANUTE TO NEAR FORAKER IN NORTHWEST
OSAGE COUNTY.

THE STRONGEST STORM APPROACHING NORTHEAST OKLAHOMA WAS NEAR THE KANSAS
BORDER 15 MILES NORTHEAST OF FORAKER.  THE LINE OF STORMS WAS MOVING
SOUTHEAST AT 25 MPH AND IS EXPECTED TO BEGIN AFFECTING THE PAWHUSKA AND
BARTLESVILLE AREAS BETWEEN 130 AND 145 AM THIS MORING AND COULD BEGIN
TO MOVE INTO THE TULSA AREA BETWEEN 300 AND 330 AM.

A TORNADO WATCHD IS IN EFFECT FOR PARTS OF EXTREME NORTHEAST OKLAHOMA
UNTIL 6AM.

STAY TUNED TO THIS STATION FOR FURTHER INFORMATION FROM THE NATIONAL
WEATHER SERVICE.

OKC105-113-143-147-150730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
135 AM CDT FRI APR 15 1994

AT 130 AM THE LEADING EDGE OF A LINE OF STRONG THUNDERSTORMS EXTENDED
FROM 10 MILES NORTH OF SOUTH COFFEYVILLE TO BARTLESVILLE TO PAWHUSKA.

THE STRONGEST STORM WAS LOCATED JUST NORTHWEST OF WANN.  PERIOD OF HEAVY
RAIN...HAIL AND WIND GUSTS TO 40 MPH ARE LIKLEY WITH THIS LINE OF
STORMS.  THE LINE OF STORMS WAS MOVING SOUTHEAST AT 25 MPH AND
WILL BEGIN TO EFFECT THE NOWATA AND SKIATOOK AREAS AROUND 230 AM.

THESE STORMS HAD WEAKENED SINCE MIDNIGHT...BUT COULD REINTENSIFY AT ANY
TIME.

STAY TUNED TO THIS STATION FOR FURTHER INFORMATION FROM THE NATIONAL
WEATHER SERVICE.