513
FXUS01 KWBC 020803
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
402 AM EDT FRI JUN 02 2023
VALID 12Z FRI JUN 02 2023 - 12Z SUN JUN 04 2023
...THERE IS A MODERATE RISK OF EXCESSIVE RAINFALL OVER PARTS OF
THE SOUTHERN HIGH PLAINS AND A SECOND AREA OVER PARTS OF THE
NORTHERN ROCKIES/HIGH PLAINS...
...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS OVER PARTS OF
THE SOUTHERN HIGH PLAINS...
...THERE IS A SLIGHT RISK OF EXCESSIVE RAINFALL OVER PARTS OF THE
SOUTHERN HIGH PLAINS ON SATURDAY...
A BROAD UNORGANIZED UPPER-LEVEL LOW OVER THE ROCKIES WILL HAVE
MULTIPLE UPPER-LEVEL IMPULSES ROTATING OVER THE ROCKIES THROUGH
SUNDAY MORNING. THE UPPER-LEVEL ENERGY WILL DRAW MOISTURE
NORTHWARD OVER THE PLAINS INTO THE HIGH PLAINS. THE ASSOCIATED
SHOWERS AND THUNDERSTORMS WILL CREATE HEAVY RAIN OVER PARTS OF THE
TEXAS PANHANDLE. THEREFORE, THE WPC HAS ISSUED A MODERATE RISK OF
EXCESSIVE RAINFALL OVER PARTS OF THE SOUTHERN HIGH PLAINS ON
FRIDAY INTO SATURDAY MORNING. THE ASSOCIATED HEAVY RAIN WILL
CREATE NUMEROUS AREAS OF FLASH FLOODING. FURTHERMORE, MANY STREAMS
MAY FLOOD, POTENTIALLY AFFECTING LARGER RIVERS. IN ADDITION, A
SECOND AREA OF SHOWERS AND THUNDERSTORMS WILL DEVELOP PARTS OF
CENTRAL MONTANA. THEREFORE, THE WPC HAS ISSUED A MODERATE RISK OF
EXCESSIVE RAINFALL OVER PARTS OF THE NORTHERN ROCKIES/NORTHERN
HIGH PLAINS ON FRIDAY INTO SATURDAY MORNING. THE ASSOCIATED HEAVY
RAIN WILL CREATE NUMEROUS AREAS OF FLASH FLOODING. FURTHERMORE,
MANY STREAMS MAY FLOOD, POTENTIALLY AFFECTING LARGER RIVERS.
MOREOVER, THE HEAVY RAIN OVER THE SOUTHERN HIGH PLAINS WILL BE
ACCOMPANIED BY SHOWERS AND SEVERE THUNDERSTORMS. THEREFORE, THE
SPC HAS ISSUED AN ENHANCED RISK OF SEVERE THUNDERSTORMS OVER THE
SOUTHERN HIGH PLAINS FROM FRIDAY INTO SATURDAY MORNING. THE
HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS ARE FREQUENT
LIGHTNING, SEVERE THUNDERSTORM WIND GUSTS, HAIL, AND A FEW
TORNADOES. IN ADDITION, THERE IS A THREAT OF SEVERE THUNDERSTORM
WIND GUSTS OF 65 KNOTS OR GREATER AND HAIL TWO-INCH OR GREATER
OVER PARTS OF THE SOUTHERN HIGH PLAINS.
ON SATURDAY, THE THREAT OF EXCESSIVE RAINFALL DECREASES SLIGHTLY
OVER THE SOUTHERN HIGH PLAINS. THEREFORE, THE WPC HAS ISSUED A
SLIGHT RISK OF EXCESSIVE RAINFALL OVER PARTS OF THE SOUTHERN HIGH
PLAINS FROM SATURDAY INTO SUNDAY MORNING. THE ASSOCIATED HEAVY
RAIN WILL CREATE MAINLY LOCALIZED AREAS OF FLASH FLOODING, WITH
URBAN AREAS, ROADS, AND SMALL STREAMS THE MOST VULNERABLE.
FURTHERMORE, THE THREAT OF SEVERE THUNDERSTORMS DECREASES TO A
MARGINAL RISK OF SEVERE THUNDERSTORMS ON SATURDAY OVER PARTS OF
THE SOUTHERN HIGH PLAINS.
ELSEWHERE, UPPER-LEVEL ENERGY MOVING SOUTHWARD OVER NEW ENGLAND
WILL TRIGGER SHOWERS AND THUNDERSTORMS OVER THE REGION ON FRIDAY
INTO SATURDAY MORNING. ADDITIONALLY, TROPICAL MOISTURE OVER
FLORIDA WILL CREATE SHOWERS AND THUNDERSTORMS OVER THE STATE
THROUGH SUNDAY.
ZIEGENFELDER
GRAPHICS AVAILABLE AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page