SPC AC 020049
DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0749 PM CDT SAT MAY 01 2004
VALID 020100Z - 021200Z
THERE IS A SLGT RISK OF SVR TSTMS TO THE RIGHT OF A LINE FROM 40 S
HUM 15 SSW MSY GPT 40 E MEI 20 NE CBM 15 W GAD 30 S ATL 20 NNW ABY
20 W PFN.
GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 15 S PSM 25 N EWR 25
SSW ACY ...CONT... VRB 50 SSE FMY ...CONT... 30 ESE BPT 20 SE POE 25
SE MLU 30 NE MLU 25 N ELD 20 E HOT 45 NNE MKL 35 SE DTW.
GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 40 W RFD 25 WNW UIN
25 SE P35 45 SSW MHE 20 NE PIR 20 E MBG 45 W JMS 25 N JMS 40 N AXN
40 ENE MSP 40 W RFD.
...THERE IS A SLGT RISK OF SVR TSTMS SRN 2/3 OF AL AND ADJACENT
AREAS...
...CENTRAL GULF COAST REGION...
LINE OF STRONG THUNDERSTORMS CONTINUES MOVING EWD ACROSS WRN AL /
SERN MS AHEAD OF COLD POOL. OTHER STORMS ARE OCCURRING AHEAD OF
THIS LINE...IN AN AXIS FROM CENTRAL AL ESEWD ACROSS CENTRAL AND SERN
GA INTO NRN FL.
AIRMASS REMAINS MODERATELY UNSTABLE /1000 TO 1500 J/KG MEAN-LAYER
CAPE/...AND WIND FIELD REMAINS SUPPORTIVE OF ORGANIZED STORMS.
HOWEVER...AN OVERALL SLOW WEAKENING OF CONVECTION HAS BEEN
OBSERVED...AND TREND SHOULD CONTINUE OVER THE NEXT SEVERAL HOURS.
NONETHELESS...EXPECT A CONTINUED THREAT FOR LOCALLY DAMAGING WINDS
OR MARGINALLY-SEVERE HAIL...PARTICULARLY ACROSS THE SRN 2/3 OF AL
AND THE WRN FL PANHANDLE.
...UPPER OH VALLEY REGION...
CONVECTION AHEAD OF COLD FRONT CONTINUES TO WEAKEN IN GENERAL ACROSS
THIS REGION...AND TREND SHOULD CONTINUE AS THE LOSS OF DAYTIME
HEATING RESULTS IN SLOW STABILIZATION OF LOW-LEVEL AIRMASS.
LIMITED / LOCAL SEVERE THREAT WILL LIKELY PERSIST FOR THE NEXT
SEVERAL HOURS WITH A FEW OF THE STRONGER STORMS GIVEN POCKETS OF
INSTABILITY AND MODERATELY-STRONG DEEP-LAYER WIND FIELD..
..GOSS.. 05/02/2004
...NOTICE...
FOR USERS DECODING THE POINTS PARAGRAPH HEREIN...LATITUDE AND
LONGITUDE POINTS FOR THE CATEGORICAL AND PROBABILISTIC OUTLOOK
GRAPHICS ALSO ARE LOCATED IN A SEPARATE PRODUCT UNDER THE WMO
HEADINGS WUUS01 PTSDY1...WUUS02 PTSDY2...AND WUUS03 PTSDY3. THE
INCLUSION OF POINTS IN THIS PRODUCT WILL EVENTUALLY BE DISCONTINUED.
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED FOR 0600Z
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